24 files changed, 228 insertions, 639 deletions

diff --git a/MultiMC.cpp b/MultiMC.cpp
index fe83fbd1..07adc658 100644
--- a/MultiMC.cpp
+++ b/MultiMC.cpp
@@ -166,7 +166,7 @@ MultiMC::MultiMC(int &argc, char **argv, const QString &root)
 	m_instances.reset(new InstanceList(InstDirSetting->get().toString(), this));
 	QLOG_INFO() << "Loading Instances...";
 	m_instances->loadList();
-	connect(InstDirSetting, SIGNAL(settingChanged(const Setting &, QVariant)),
+	connect(InstDirSetting.get(), SIGNAL(settingChanged(const Setting &, QVariant)),
 			m_instances.get(), SLOT(on_InstFolderChanged(const Setting &, QVariant)));
 
 	// and accounts
@@ -324,23 +324,22 @@ void MultiMC::initGlobalSettings()
 {
 	m_settings.reset(new INISettingsObject("multimc.cfg", this));
 	// Updates
-	m_settings->registerSetting(new Setting("UseDevBuilds", false));
-	m_settings->registerSetting(new Setting("AutoUpdate", true));
+	m_settings->registerSetting("UseDevBuilds", false);
+	m_settings->registerSetting("AutoUpdate", true);
 
 	// FTB
-	m_settings->registerSetting(new Setting("TrackFTBInstances", false));
-	m_settings->registerSetting(new Setting(
-		"FTBLauncherRoot",
+	m_settings->registerSetting("TrackFTBInstances", false);
 #ifdef Q_OS_LINUX
-		QDir::home().absoluteFilePath(".ftblauncher")
+	QString ftbDefault = QDir::home().absoluteFilePath(".ftblauncher");
 #elif defined(Q_OS_WIN32)
-		PathCombine(QDir::homePath(), "AppData/Roaming/ftblauncher")
+	QString ftbDefault = PathCombine(QDir::homePath(), "AppData/Roaming/ftblauncher");
 #elif defined(Q_OS_MAC)
-		PathCombine(QDir::homePath(), "Library/Application Support/ftblauncher")
+	QString ftbDefault =
+		PathCombine(QDir::homePath(), "Library/Application Support/ftblauncher");
 #endif
-		));
+	m_settings->registerSetting("FTBLauncherRoot", ftbDefault);
 
-	m_settings->registerSetting(new Setting("FTBRoot"));
+	m_settings->registerSetting("FTBRoot");
 	if (m_settings->get("FTBRoot").isNull())
 	{
 		QString ftbRoot;
@@ -379,54 +378,54 @@ void MultiMC::initGlobalSettings()
 	}
 
 	// Folders
-	m_settings->registerSetting(new Setting("InstanceDir", "instances"));
-	m_settings->registerSetting(new Setting("CentralModsDir", "mods"));
-	m_settings->registerSetting(new Setting("LWJGLDir", "lwjgl"));
-	m_settings->registerSetting(new Setting("IconsDir", "icons"));
+	m_settings->registerSetting("InstanceDir", "instances");
+	m_settings->registerSetting({"CentralModsDir", "ModsDir"}, "mods");
+	m_settings->registerSetting({"LWJGLDir", "LwjglDir"}, "lwjgl");
+	m_settings->registerSetting("IconsDir", "icons");
 
 	// Editors
-	m_settings->registerSetting(new Setting("JsonEditor", QString()));
+	m_settings->registerSetting("JsonEditor", QString());
 
 	// Console
-	m_settings->registerSetting(new Setting("ShowConsole", true));
-	m_settings->registerSetting(new Setting("AutoCloseConsole", true));
+	m_settings->registerSetting("ShowConsole", true);
+	m_settings->registerSetting("AutoCloseConsole", true);
 
 	// Console Colors
-	//	m_settings->registerSetting(new Setting("SysMessageColor", QColor(Qt::blue)));
-	//	m_settings->registerSetting(new Setting("StdOutColor", QColor(Qt::black)));
-	//	m_settings->registerSetting(new Setting("StdErrColor", QColor(Qt::red)));
+	//	m_settings->registerSetting("SysMessageColor", QColor(Qt::blue));
+	//	m_settings->registerSetting("StdOutColor", QColor(Qt::black));
+	//	m_settings->registerSetting("StdErrColor", QColor(Qt::red));
 
 	// Window Size
-	m_settings->registerSetting(new Setting("LaunchMaximized", false));
-	m_settings->registerSetting(new Setting("MinecraftWinWidth", 854));
-	m_settings->registerSetting(new Setting("MinecraftWinHeight", 480));
+	m_settings->registerSetting({"LaunchMaximized", "MCWindowMaximize"}, false);
+	m_settings->registerSetting({"MinecraftWinWidth", "MCWindowWidth"}, 854);
+	m_settings->registerSetting({"MinecraftWinHeight", "MCWindowHeight"}, 480);
 
 	// Memory
-	m_settings->registerSetting(new Setting("MinMemAlloc", 512));
-	m_settings->registerSetting(new Setting("MaxMemAlloc", 1024));
-	m_settings->registerSetting(new Setting("PermGen", 64));
+	m_settings->registerSetting({"MinMemAlloc", "MinMemoryAlloc"}, 512);
+	m_settings->registerSetting({"MaxMemAlloc", "MaxMemoryAlloc"}, 1024);
+	m_settings->registerSetting("PermGen", 64);
 
 	// Java Settings
-	m_settings->registerSetting(new Setting("JavaPath", ""));
-	m_settings->registerSetting(new Setting("LastHostname", ""));
-	m_settings->registerSetting(new Setting("JvmArgs", ""));
+	m_settings->registerSetting("JavaPath", "");
+	m_settings->registerSetting("LastHostname", "");
+	m_settings->registerSetting("JvmArgs", "");
 
 	// Custom Commands
-	m_settings->registerSetting(new Setting("PreLaunchCommand", ""));
-	m_settings->registerSetting(new Setting("PostExitCommand", ""));
+	m_settings->registerSetting({"PreLaunchCommand", "PreLaunchCmd"}, "");
+	m_settings->registerSetting({"PostExitCommand", "PostLaunchCmd"}, "");
 
 	// The cat
-	m_settings->registerSetting(new Setting("TheCat", false));
+	m_settings->registerSetting("TheCat", false);
 
-	m_settings->registerSetting(new Setting("InstSortMode", "Name"));
-	m_settings->registerSetting(new Setting("SelectedInstance", QString()));
+	m_settings->registerSetting("InstSortMode", "Name");
+	m_settings->registerSetting("SelectedInstance", QString());
 
 	// Window state and geometry
-	m_settings->registerSetting(new Setting("MainWindowState", ""));
-	m_settings->registerSetting(new Setting("MainWindowGeometry", ""));
+	m_settings->registerSetting("MainWindowState", "");
+	m_settings->registerSetting("MainWindowGeometry", "");
 
-	m_settings->registerSetting(new Setting("ConsoleWindowState", ""));
-	m_settings->registerSetting(new Setting("ConsoleWindowGeometry", ""));
+	m_settings->registerSetting("ConsoleWindowState", "");
+	m_settings->registerSetting("ConsoleWindowGeometry", "");
 }
 
 void MultiMC::initHttpMetaCache()
@@ -524,9 +523,9 @@ void MultiMC::installUpdates(const QString &updateFilesDir, bool restartOnFinish
 		args << "--finish-cmd" << finishCmd;
 
 	QLOG_INFO() << "Running updater with command" << updaterBinary << args.join(" ");
-	QFile::setPermissions(updaterBinary, (QFileDevice::Permission) 0x7755);
+	QFile::setPermissions(updaterBinary, (QFileDevice::Permission)0x7755);
 
-	if(!QProcess::startDetached(updaterBinary, args))
+	if (!QProcess::startDetached(updaterBinary, args))
 	{
 		QLOG_ERROR() << "Failed to start the updater process!";
 		return;
@@ -555,8 +554,8 @@ bool MultiMC::openJsonEditor(const QString &filename)
 	}
 	else
 	{
-		return QProcess::startDetached(m_settings->get("JsonEditor").toString(),
-									   QStringList() << file);
+		return QProcess::startDetached(m_settings->get("JsonEditor").toString(), QStringList()
+																					 << file);
 	}
 }
 
diff --git a/depends/settings/CMakeLists.txt b/depends/settings/CMakeLists.txt
index 154697f6..da853a73 100644
--- a/depends/settings/CMakeLists.txt
+++ b/depends/settings/CMakeLists.txt
@@ -5,44 +5,27 @@ find_package(Qt5Core REQUIRED)
 
 # Include Qt headers.
 include_directories(${Qt5Base_INCLUDE_DIRS})
-include_directories(${Qt5Network_INCLUDE_DIRS})
 
-SET(LIBSETTINGS_HEADERS
-include/libsettings_config.h
-
-include/inifile.h
-
-include/settingsobject.h
-include/setting.h
-include/overridesetting.h
-
-include/basicsettingsobject.h
-include/inisettingsobject.h
-
-include/keyring.h
-)
-
-SET(LIBSETTINGS_HEADERS_PRIVATE
-src/stubkeyring.h
-)
 
 SET(LIBSETTINGS_SOURCES
-src/inifile.cpp
+libsettings_config.h
 
-src/settingsobject.cpp
-src/setting.cpp
-src/overridesetting.cpp
+inifile.h
+inifile.cpp
 
-src/basicsettingsobject.cpp
-src/inisettingsobject.cpp
+settingsobject.h
+settingsobject.cpp
+inisettingsobject.h
+inisettingsobject.cpp
 
-src/keyring.cpp
-src/stubkeyring.cpp
+setting.h
+setting.cpp
+overridesetting.h
+overridesetting.cpp
 )
 
 # Set the include dir path.
-SET(LIBSETTINGS_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include" PARENT_SCOPE)
-include_directories(${LIBSETTINGS_INCLUDE_DIR})
+SET(LIBSETTINGS_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" PARENT_SCOPE)
 
 # Static link!
 ADD_DEFINITIONS(-DLIBSETTINGS_STATIC)
@@ -59,6 +42,6 @@ IF(MultiMC_CODE_COVERAGE)
 	SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O0 --coverage")
 ENDIF(MultiMC_CODE_COVERAGE)
 
-add_library(libSettings STATIC ${LIBSETTINGS_SOURCES} ${LIBSETTINGS_HEADERS} ${LIBSETTINGS_HEADERS_PRIVATE})
+add_library(libSettings STATIC ${LIBSETTINGS_SOURCES})
 qt5_use_modules(libSettings Core)
 target_link_libraries(libSettings)
diff --git a/depends/settings/include/basicsettingsobject.h b/depends/settings/include/basicsettingsobject.h
deleted file mode 100644
index 387a3646..00000000
--- a/depends/settings/include/basicsettingsobject.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright 2013 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <QObject>
-#include <QSettings>
-
-#include "settingsobject.h"
-
-#include "libsettings_config.h"
-
-/*!
- * \brief A settings object that stores its settings in a QSettings object.
- */
-class LIBSETTINGS_EXPORT BasicSettingsObject : public SettingsObject
-{
-	Q_OBJECT
-public:
-	explicit BasicSettingsObject(QObject *parent = 0);
-
-protected
-slots:
-	virtual void changeSetting(const Setting &setting, QVariant value);
-
-protected:
-	virtual QVariant retrieveValue(const Setting &setting);
-
-	QSettings config;
-};
diff --git a/depends/settings/include/keyring.h b/depends/settings/include/keyring.h
deleted file mode 100644
index a4da23b1..00000000
--- a/depends/settings/include/keyring.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/* Copyright 2013 MultiMC Contributors
- *
- * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	 http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <QString>
-
-#include "libsettings_config.h"
-
-/**
- * @file libsettings/include/keyring.h
- * Access to System Keyrings
- */
-
-/**
- * @brief The Keyring class
- * the System Keyring/Keychain/Wallet/Vault/etc
- */
-class LIBSETTINGS_EXPORT Keyring
-{
-public:
-	/**
-	 * @brief virtual dtor
-	 */
-	virtual ~Keyring() {};
-
-	/**
-	 * @brief the System Keyring instance
-	 * @return the Keyring instance
-	 */
-	static Keyring *instance();
-
-	/**
-	 * @brief store a password in the Keyring
-	 * @param service the service name
-	 * @param username the account name
-	 * @param password the password to store
-	 * @return success
-	 */
-	virtual bool storePassword(QString service, QString username, QString password) = 0;
-
-	/**
-	 * @brief get a password from the Keyring
-	 * @param service the service name
-	 * @param username the account name
-	 * @return the password (success=!isNull())
-	 */
-	virtual QString getPassword(QString service, QString username) = 0;
-
-	/**
-	 * @brief lookup a password
-	 * @param service the service name
-	 * @param username the account name
-	 * @return wether the password is available
-	 */
-	virtual bool hasPassword(QString service, QString username) = 0;
-
-	/**
-	 * @brief get a list of all stored accounts.
-	 * @param service the service name
-	 * @return
-	 */
-	virtual QStringList getStoredAccounts(QString service) = 0;
-
-	/**
-	 * @brief Remove the specified account from storage
-	 * @param service the service name
-	 * @param username the account name
-	 * @return
-	 */
-	virtual void removeStoredAccount(QString service, QString username) = 0;
-
-protected:
-	/// fall back to StubKeyring if false
-	virtual bool isValid()
-	{
-		return false;
-	}
-
-private:
-	static Keyring *m_instance;
-	static void destroy();
-};
diff --git a/depends/settings/src/inifile.cpp b/depends/settings/inifile.cpp
index 83aec15e..1170f0b1 100644
--- a/depends/settings/src/inifile.cpp
+++ b/depends/settings/inifile.cpp
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-#include "include/inifile.h"
+#include "inifile.h"
 
 #include <QFile>
 #include <QTextStream>
diff --git a/depends/settings/include/inifile.h b/depends/settings/inifile.h
index 27da7bf0..27da7bf0 100644
--- a/depends/settings/include/inifile.h
+++ b/depends/settings/inifile.h
diff --git a/depends/settings/src/inisettingsobject.cpp b/depends/settings/inisettingsobject.cpp
index 4a7a7428..5e52a56f 100644
--- a/depends/settings/src/inisettingsobject.cpp
+++ b/depends/settings/inisettingsobject.cpp
@@ -13,8 +13,8 @@
  * limitations under the License.
  */
 
-#include "include/inisettingsobject.h"
-#include "include/setting.h"
+#include "inisettingsobject.h"
+#include "setting.h"
 
 INISettingsObject::INISettingsObject(const QString &path, QObject *parent)
 	: SettingsObject(parent)
@@ -32,31 +32,45 @@ void INISettingsObject::changeSetting(const Setting &setting, QVariant value)
 {
 	if (contains(setting.id()))
 	{
+		// valid value -> set the main config, remove all the sysnonyms
 		if (value.isValid())
-			m_ini.set(setting.configKey(), value);
+		{
+			auto list = setting.configKeys();
+			m_ini.set(list.takeFirst(), value);
+			for(auto iter: list)
+				m_ini.remove(iter);
+		}
+		// invalid -> remove all (just like resetSetting)
 		else
-			m_ini.remove(setting.configKey());
+		{
+			for(auto iter: setting.configKeys())
+				m_ini.remove(iter);
+		}
 		m_ini.saveFile(m_filePath);
 	}
 }
 
 void INISettingsObject::resetSetting(const Setting &setting)
 {
+	// if we have the setting, remove all the synonyms. ALL OF THEM
 	if (contains(setting.id()))
 	{
-		m_ini.remove(setting.configKey());
+		for(auto iter: setting.configKeys())
+			m_ini.remove(iter);
 		m_ini.saveFile(m_filePath);
 	}
 }
 
 QVariant INISettingsObject::retrieveValue(const Setting &setting)
 {
+	// if we have the setting, return value of the first matching synonym
 	if (contains(setting.id()))
 	{
-		return m_ini.get(setting.configKey(), QVariant());
-	}
-	else
-	{
-		return QVariant();
+		for(auto iter: setting.configKeys())
+		{
+			if(m_ini.contains(iter))
+				return m_ini[iter];
+		}
 	}
+	return QVariant();
 }
diff --git a/depends/settings/include/inisettingsobject.h b/depends/settings/inisettingsobject.h
index 8badc0c6..8badc0c6 100644
--- a/depends/settings/include/inisettingsobject.h
+++ b/depends/settings/inisettingsobject.h
diff --git a/depends/settings/include/libsettings_config.h b/depends/settings/libsettings_config.h
index ba77f640..e5beed28 100644
--- a/depends/settings/include/libsettings_config.h
+++ b/depends/settings/libsettings_config.h
@@ -26,3 +26,4 @@
 #define LIBSETTINGS_EXPORT Q_DECL_IMPORT
 #endif
 #endif
+
diff --git a/depends/settings/src/overridesetting.cpp b/depends/settings/overridesetting.cpp
index 5b10920d..7b5f5418 100644
--- a/depends/settings/src/overridesetting.cpp
+++ b/depends/settings/overridesetting.cpp
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-#include "include/overridesetting.h"
+#include "overridesetting.h"
 
-OverrideSetting::OverrideSetting(const QString &name, Setting *other, QObject *parent)
-	: Setting(name, QVariant(), parent)
+OverrideSetting::OverrideSetting(std::shared_ptr<Setting> other)
+	: Setting(other->configKeys(), QVariant())
 {
 	m_other = other;
 }
diff --git a/depends/settings/include/overridesetting.h b/depends/settings/overridesetting.h
index 3e60dc7c..5ef901d0 100644
--- a/depends/settings/include/overridesetting.h
+++ b/depends/settings/overridesetting.h
@@ -16,6 +16,7 @@
 #pragma once
 
 #include <QObject>
+#include <memory>
 
 #include "setting.h"
 
@@ -31,10 +32,10 @@ class LIBSETTINGS_EXPORT OverrideSetting : public Setting
 {
 	Q_OBJECT
 public:
-	explicit OverrideSetting(const QString &name, Setting *other, QObject *parent = 0);
+	explicit OverrideSetting(std::shared_ptr<Setting> other);
 
 	virtual QVariant defValue() const;
 
 protected:
-	Setting *m_other;
+	std::shared_ptr<Setting> m_other;
 };
diff --git a/depends/settings/src/setting.cpp b/depends/settings/setting.cpp
index 899463dc..1a0c6b6a 100644
--- a/depends/settings/src/setting.cpp
+++ b/depends/settings/setting.cpp
@@ -13,17 +13,23 @@
  * limitations under the License.
  */
 
-#include "include/setting.h"
-#include "include/settingsobject.h"
+#include "setting.h"
+#include "settingsobject.h"
 
-Setting::Setting(QString id, QVariant defVal, QObject *parent)
-	: QObject(parent), m_id(id), m_defVal(defVal)
+Setting::Setting(QStringList synonyms, QVariant defVal)
+	: QObject(), m_synonyms(synonyms), m_defVal(defVal)
 {
 }
 
+Setting::Setting(QString id, QVariant defVal)
+	: QObject(), m_synonyms({id}), m_defVal(defVal)
+{
+}
+
+
 QVariant Setting::get() const
 {
-	SettingsObject *sbase = qobject_cast<SettingsObject *>(parent());
+	SettingsObject *sbase = m_storage;
 	if (!sbase)
 	{
 		return defValue();
diff --git a/depends/settings/include/setting.h b/depends/settings/setting.h
index 39490207..179fa3bb 100644
--- a/depends/settings/include/setting.h
+++ b/depends/settings/setting.h
@@ -17,6 +17,8 @@
 
 #include <QObject>
 #include <QVariant>
+#include <QStringList>
+#include <memory>
 
 #include "libsettings_config.h"
 
@@ -33,7 +35,13 @@ public:
 	 * \brief Constructs a new Setting object with the given parent.
 	 * \param parent The Setting's parent object.
 	 */
-	explicit Setting(QString id, QVariant defVal = QVariant(), QObject *parent = 0);
+	explicit Setting(QStringList synonyms, QVariant defVal = QVariant());
+
+	/*!
+	 * \brief Constructs a new Setting object with the given parent.
+	 * \param parent The Setting's parent object.
+	 */
+	explicit Setting(QString id, QVariant defVal = QVariant());
 
 	/*!
 	 * \brief Gets this setting's ID.
@@ -44,7 +52,7 @@ public:
 	 */
 	virtual QString id() const
 	{
-		return m_id;
+		return m_synonyms.first();
 	}
 
 	/*!
@@ -53,9 +61,9 @@ public:
 	 * the same as the setting's ID, but it can be different.
 	 * \return The setting's config file key.
 	 */
-	virtual QString configKey() const
+	virtual QStringList configKeys() const
 	{
-		return id();
+		return m_synonyms;
 	}
 
 	/*!
@@ -111,11 +119,12 @@ slots:
 	 * \brief Reset the setting to default
 	 * This is done by emitting the settingReset() signal which will then be
 	 * handled by the SettingsObject object and cause the setting to change.
-	 * \param value The new value.
 	 */
 	virtual void reset();
 
 protected:
-	QString m_id;
+	friend class SettingsObject;
+	SettingsObject * m_storage;
+	QStringList m_synonyms;
 	QVariant m_defVal;
 };
diff --git a/depends/settings/src/settingsobject.cpp b/depends/settings/settingsobject.cpp
index 32a63b8d..43fc989a 100644
--- a/depends/settings/src/settingsobject.cpp
+++ b/depends/settings/settingsobject.cpp
@@ -13,8 +13,9 @@
  * limitations under the License.
  */
 
-#include "include/settingsobject.h"
-#include "include/setting.h"
+#include "settingsobject.h"
+#include "setting.h"
+#include "overridesetting.h"
 
 #include <QVariant>
 
@@ -22,17 +23,49 @@ SettingsObject::SettingsObject(QObject *parent) : QObject(parent)
 {
 }
 
-bool SettingsObject::registerSetting(Setting *setting)
+SettingsObject::~SettingsObject()
 {
-	// Check if setting is null or we already have a setting with the same ID.
-	if (!setting)
+	m_settings.clear();
+}
+
+std::shared_ptr<Setting> SettingsObject::registerOverride(std::shared_ptr<Setting> original)
+{
+	if (contains(original->id()))
 	{
-		qDebug(QString("Failed to register setting. Setting is null.")
-				   .arg(setting->id())
+		qDebug(QString("Failed to register setting %1. ID already exists.")
+				   .arg(original->id())
 				   .toUtf8());
-		return false; // Fail
+		return nullptr; // Fail
 	}
+	auto override = std::make_shared<OverrideSetting>(original);
+	override->m_storage = this;
+	connectSignals(*override);
+	m_settings.insert(override->id(), override);
+	return override;
+}
+
+std::shared_ptr<Setting> SettingsObject::registerSetting(QStringList synonyms, QVariant defVal)
+{
+	if (synonyms.empty())
+		return nullptr;
+	if (contains(synonyms.first()))
+	{
+		qDebug(QString("Failed to register setting %1. ID already exists.")
+				   .arg(synonyms.first())
+				   .toUtf8());
+		return nullptr; // Fail
+	}
+	auto setting = std::make_shared<Setting>(synonyms, defVal);
+	setting->m_storage = this;
+	connectSignals(*setting);
+	m_settings.insert(setting->id(), setting);
+	return setting;
+}
+
+/*
 
+bool SettingsObject::registerSetting(Setting *setting)
+{
 	if (contains(setting->id()))
 	{
 		qDebug(QString("Failed to register setting %1. ID already exists.")
@@ -50,21 +83,8 @@ bool SettingsObject::registerSetting(Setting *setting)
 	// qDebug(QString("Registered setting %1.").arg(setting->id()).toUtf8());
 	return true;
 }
-
-void SettingsObject::unregisterSetting(Setting *setting)
-{
-	if (!setting || !m_settings.contains(setting->id()))
-		return; // We can't unregister something that's not registered.
-
-	m_settings.remove(setting->id());
-
-	// Disconnect signals.
-	disconnectSignals(*setting);
-
-	setting->setParent(NULL); // Drop ownership.
-}
-
-Setting *SettingsObject::getSetting(const QString &id) const
+*/
+std::shared_ptr<Setting> SettingsObject::getSetting(const QString &id) const
 {
 	// Make sure there is a setting with the given ID.
 	if (!m_settings.contains(id))
@@ -75,13 +95,13 @@ Setting *SettingsObject::getSetting(const QString &id) const
 
 QVariant SettingsObject::get(const QString &id) const
 {
-	Setting *setting = getSetting(id);
+	auto setting = getSetting(id);
 	return (setting ? setting->get() : QVariant());
 }
 
 bool SettingsObject::set(const QString &id, QVariant value)
 {
-	Setting *setting = getSetting(id);
+	auto setting = getSetting(id);
 	if (!setting)
 	{
 		qDebug(QString("Error changing setting %1. Setting doesn't exist.").arg(id).toUtf8());
@@ -96,16 +116,11 @@ bool SettingsObject::set(const QString &id, QVariant value)
 
 void SettingsObject::reset(const QString &id) const
 {
-	Setting *setting = getSetting(id);
+	auto setting = getSetting(id);
 	if (setting)
 		setting->reset();
 }
 
-QList<Setting *> SettingsObject::getSettings()
-{
-	return m_settings.values();
-}
-
 bool SettingsObject::contains(const QString &id)
 {
 	return m_settings.contains(id);
@@ -121,16 +136,3 @@ void SettingsObject::connectSignals(const Setting &setting)
 	connect(&setting, SIGNAL(settingReset(Setting)), SLOT(resetSetting(const Setting &)));
 	connect(&setting, SIGNAL(settingReset(Setting)), SIGNAL(settingReset(const Setting &)));
 }
-
-void SettingsObject::disconnectSignals(const Setting &setting)
-{
-	setting.disconnect(SIGNAL(settingChanged(const Setting &, QVariant)), this,
-					   SLOT(changeSetting(const Setting &, QVariant)));
-	setting.disconnect(SIGNAL(settingChanged(const Setting &, QVariant)), this,
-					   SIGNAL(settingChanged(const Setting &, QVariant)));
-
-	setting.disconnect(SIGNAL(settingReset(const Setting &, QVariant)), this,
-					   SLOT(resetSetting(const Setting &, QVariant)));
-	setting.disconnect(SIGNAL(settingReset(const Setting &, QVariant)), this,
-					   SIGNAL(settingReset(const Setting &, QVariant)));
-}
diff --git a/depends/settings/include/settingsobject.h b/depends/settings/settingsobject.h
index 7a6b3cb6..27746f2d 100644
--- a/depends/settings/include/settingsobject.h
+++ b/depends/settings/settingsobject.h
@@ -17,6 +17,9 @@
 
 #include <QObject>
 #include <QMap>
+#include <QStringList>
+#include <QVariant>
+#include <memory>
 
 #include "libsettings_config.h"
 
@@ -39,32 +42,37 @@ class LIBSETTINGS_EXPORT SettingsObject : public QObject
 	Q_OBJECT
 public:
 	explicit SettingsObject(QObject *parent = 0);
+	virtual ~SettingsObject();
+	/*!
+	 * Registers an override setting for the given original setting in this settings object
+	 *
+	 * This will fail if there is already a setting with the same ID as
+	 * the one that is being registered.
+	 * \return A valid Setting shared pointer if successful.
+	 */
+	std::shared_ptr<Setting> registerOverride(std::shared_ptr<Setting> original);
 
 	/*!
-	 * \brief Registers the given setting with this SettingsObject and connects the necessary
-	 * signals.
+	 * Registers the given setting with this SettingsObject and connects the necessary  signals.
+	 *
 	 * This will fail if there is already a setting with the same ID as
 	 * the one that is being registered.
-	 * \note Registering a setting object causes the SettingsObject to take ownership
-	 * of the object. This means that setting's parent will be set to the object
-	 * it was registered with. Because the object it was registered with has taken
-	 * ownership, it becomes responsible for managing that setting object's memory.
-	 * \warning Do \b not delete the setting after registering it.
-	 * \param setting A pointer to the setting that will be registered.
-	 * \return True if successful. False if registry failed.
+	 * \return A valid Setting shared pointer if successful.
 	 */
-	virtual bool registerSetting(Setting *setting);
+	std::shared_ptr<Setting> registerSetting(QStringList synonyms,
+											 QVariant defVal = QVariant());
 
 	/*!
-	 * \brief Unregisters the given setting from this SettingsObject and disconnects its
-	 * signals.
-	 * \note This does not delete the setting. Furthermore, when the setting is
-	 * unregistered, the SettingsObject drops ownership of the setting. This means
-	 * that if you unregister a setting, its parent is set to null and you become
-	 * responsible for freeing its memory.
-	 * \param setting The setting to unregister.
+	 * Registers the given setting with this SettingsObject and connects the necessary signals.
+	 *
+	 * This will fail if there is already a setting with the same ID as
+	 * the one that is being registered.
+	 * \return A valid Setting shared pointer if successful.
 	 */
-	virtual void unregisterSetting(Setting *setting);
+	std::shared_ptr<Setting> registerSetting(QString id, QVariant defVal = QVariant())
+	{
+		return registerSetting(QStringList(id), defVal);
+	}
 
 	/*!
 	 * \brief Gets the setting with the given ID.
@@ -73,18 +81,7 @@ public:
 	 * Returns null if there is no setting with the given ID.
 	 * \sa operator []()
 	 */
-	virtual Setting *getSetting(const QString &id) const;
-
-	/*!
-	 * \brief Same as getSetting()
-	 * \param id The ID of the setting to get.
-	 * \return A pointer to the setting with the given ID.
-	 * \sa getSetting()
-	 */
-	inline Setting *operator[](const QString &id)
-	{
-		return getSetting(id);
-	}
+	std::shared_ptr<Setting> getSetting(const QString &id) const;
 
 	/*!
 	 * \brief Gets the value of the setting with the given ID.
@@ -92,7 +89,7 @@ public:
 	 * \return The setting's value as a QVariant.
 	 * If no setting with the given ID exists, returns an invalid QVariant.
 	 */
-	virtual QVariant get(const QString &id) const;
+	QVariant get(const QString &id) const;
 
 	/*!
 	 * \brief Sets the value of the setting with the given ID.
@@ -101,27 +98,20 @@ public:
 	 * \param value The new value of the setting.
 	 * \return True if successful, false if it failed.
 	 */
-	virtual bool set(const QString &id, QVariant value);
+	bool set(const QString &id, QVariant value);
 
 	/*!
 	 * \brief Reverts the setting with the given ID to default.
 	 * \param id The ID of the setting to reset.
 	 */
-	virtual void reset(const QString &id) const;
-
-	/*!
-	 * \brief Gets a QList with pointers to all of the registered settings.
-	 * The order of the entries in the list is undefined.
-	 * \return A QList with pointers to all registered settings.
-	 */
-	virtual QList<Setting *> getSettings();
+	void reset(const QString &id) const;
 
 	/*!
 	 * \brief Checks if this SettingsObject contains a setting with the given ID.
 	 * \param id The ID to check for.
 	 * \return True if the SettingsObject has a setting with the given ID.
 	 */
-	virtual bool contains(const QString &id);
+	bool contains(const QString &id);
 
 signals:
 	/*!
@@ -167,13 +157,7 @@ protected:
 	 * \brief Connects the necessary signals to the given Setting.
 	 * \param setting The setting to connect.
 	 */
-	virtual void connectSignals(const Setting &setting);
-
-	/*!
-	 * \brief Disconnects signals from the given Setting.
-	 * \param setting The setting to disconnect.
-	 */
-	virtual void disconnectSignals(const Setting &setting);
+	void connectSignals(const Setting &setting);
 
 	/*!
 	 * \brief Function used by Setting objects to get their values from the SettingsObject.
@@ -185,5 +169,5 @@ protected:
 	friend class Setting;
 
 private:
-	QMap<QString, Setting *> m_settings;
+	QMap<QString, std::shared_ptr<Setting>> m_settings;
 };
diff --git a/depends/settings/src/basicsettingsobject.cpp b/depends/settings/src/basicsettingsobject.cpp
deleted file mode 100644
index 96b38851..00000000
--- a/depends/settings/src/basicsettingsobject.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright 2013 MultiMC Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "include/basicsettingsobject.h"
-#include "include/setting.h"
-
-BasicSettingsObject::BasicSettingsObject(QObject *parent) : SettingsObject(parent)
-{
-}
-
-void BasicSettingsObject::changeSetting(const Setting &setting, QVariant value)
-{
-	if (contains(setting.id()))
-	{
-		if (value.isValid())
-			config.setValue(setting.configKey(), value);
-		else
-			config.remove(setting.configKey());
-	}
-}
-
-QVariant BasicSettingsObject::retrieveValue(const Setting &setting)
-{
-	if (contains(setting.id()))
-	{
-		return config.value(setting.configKey());
-	}
-	else
-	{
-		return QVariant();
-	}
-}
diff --git a/depends/settings/src/keyring.cpp b/depends/settings/src/keyring.cpp
deleted file mode 100644
index 9eaba684..00000000
--- a/depends/settings/src/keyring.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-/* Copyright 2013 MultiMC Contributors
- *
- * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	 http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "include/keyring.h"
-
-#include "osutils.h"
-
-#include "stubkeyring.h"
-
-// system specific keyrings
-/*#if defined(OSX)
-class OSXKeychain;
-#define KEYRING OSXKeychain
-#elif defined(LINUX)
-class XDGKeyring;
-#define KEYRING XDGKeyring
-#elif defined(WINDOWS)
-class Win32Keystore;
-#define KEYRING Win32Keystore
-#else
-#pragma message Keyrings are not supported on your os. Falling back to the insecure StubKeyring
-#endif*/
-
-Keyring *Keyring::instance()
-{
-	if (m_instance == nullptr)
-	{
-#ifdef KEYRING
-		m_instance = new KEYRING();
-		if (!m_instance->isValid())
-		{
-			qWarning("Could not create SystemKeyring! falling back to StubKeyring.");
-			m_instance = new StubKeyring();
-		}
-#else
-		qWarning("Keyrings are not supported on your OS. Fallback StubKeyring is insecure!");
-		m_instance = new StubKeyring();
-#endif
-		atexit(Keyring::destroy);
-	}
-	return m_instance;
-}
-
-void Keyring::destroy()
-{
-	delete m_instance;
-}
-
-Keyring *Keyring::m_instance;
diff --git a/depends/settings/src/stubkeyring.cpp b/depends/settings/src/stubkeyring.cpp
deleted file mode 100644
index 53fca025..00000000
--- a/depends/settings/src/stubkeyring.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/* Copyright 2013 MultiMC Contributors
- *
- * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	 http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "stubkeyring.h"
-
-#include <QStringList>
-
-// Scrambling
-// this is NOT SAFE, but it's not plain either.
-int scrambler = 0x9586309;
-
-QString scramble(QString in_)
-{
-	QByteArray in = in_.toUtf8();
-	QByteArray out;
-	for (int i = 0; i < in.length(); i++)
-		out.append(in.at(i) ^ scrambler);
-	return QString::fromUtf8(out);
-}
-
-inline QString base64(QString in)
-{
-	return QString(in.toUtf8().toBase64());
-}
-inline QString unbase64(QString in)
-{
-	return QString::fromUtf8(QByteArray::fromBase64(in.toLatin1()));
-}
-
-inline QString scramble64(QString in)
-{
-	return base64(scramble(in));
-}
-inline QString unscramble64(QString in)
-{
-	return scramble(unbase64(in));
-}
-
-// StubKeyring implementation
-inline QString generateKey(QString service, QString username)
-{
-	return QString("%1/%2").arg(base64(service)).arg(scramble64(username));
-}
-
-bool StubKeyring::storePassword(QString service, QString username, QString password)
-{
-	m_settings.setValue(generateKey(service, username), scramble64(password));
-	return true;
-}
-
-QString StubKeyring::getPassword(QString service, QString username)
-{
-	QString key = generateKey(service, username);
-	if (!m_settings.contains(key))
-		return QString();
-	return unscramble64(m_settings.value(key).toString());
-}
-
-bool StubKeyring::hasPassword(QString service, QString username)
-{
-	return m_settings.contains(generateKey(service, username));
-}
-
-QStringList StubKeyring::getStoredAccounts(QString service)
-{
-	service = base64(service).append('/');
-	QStringList out;
-	QStringList in(m_settings.allKeys());
-	QStringListIterator it(in);
-	while (it.hasNext())
-	{
-		QString c = it.next();
-		if (c.startsWith(service))
-			out << unscramble64(c.mid(service.length()));
-	}
-	return out;
-}
-
-void StubKeyring::removeStoredAccount(QString service, QString username)
-{
-	QString key = generateKey(service, username);
-	m_settings.remove(key);
-}
-
-// FIXME: this needs tweaking/changes for user account level storage
-StubKeyring::StubKeyring()
-	:
-	  //	m_settings(QSettings::UserScope, "Orochimarufan", "Keyring")
-	  m_settings("keyring.cfg", QSettings::IniFormat)
-{
-}
diff --git a/depends/settings/src/stubkeyring.h b/depends/settings/src/stubkeyring.h
deleted file mode 100644
index 1f4b1be0..00000000
--- a/depends/settings/src/stubkeyring.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* Copyright 2013 MultiMC Contributors
- *
- * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	 http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "include/keyring.h"
-
-#include <QSettings>
-
-class StubKeyring : public Keyring
-{
-public:
-	/**
-	 * @brief virtual dtor
-	 */
-	virtual ~StubKeyring() {};
-
-	virtual bool storePassword(QString service, QString username, QString password);
-	virtual QString getPassword(QString service, QString username);
-	virtual bool hasPassword(QString service, QString username);
-	virtual QStringList getStoredAccounts(QString service);
-	virtual void removeStoredAccount(QString service, QString username);
-
-private:
-	friend class Keyring;
-	explicit StubKeyring();
-	virtual bool isValid()
-	{
-		return true;
-	}
-
-	QSettings m_settings;
-};
diff --git a/logic/BaseInstance.cpp b/logic/BaseInstance.cpp
index b39db03b..ac66a8d5 100644
--- a/logic/BaseInstance.cpp
+++ b/logic/BaseInstance.cpp
@@ -37,11 +37,11 @@ BaseInstance::BaseInstance(BaseInstancePrivate *d_in, const QString &rootDir,
 	d->m_settings = settings_obj;
 	d->m_rootDir = rootDir;
 
-	settings().registerSetting(new Setting("name", "Unnamed Instance"));
-	settings().registerSetting(new Setting("iconKey", "default"));
+	settings().registerSetting("name", "Unnamed Instance");
+	settings().registerSetting("iconKey", "default");
 	connect(MMC->icons().get(), SIGNAL(iconUpdated(QString)), SLOT(iconUpdated(QString)));
-	settings().registerSetting(new Setting("notes", ""));
-	settings().registerSetting(new Setting("lastLaunchTime", 0));
+	settings().registerSetting("notes", "");
+	settings().registerSetting("lastLaunchTime", 0);
 
 	/*
 	 * custom base jar has no default. it is determined in code... see the accessor methods for
@@ -50,49 +50,37 @@ BaseInstance::BaseInstance(BaseInstancePrivate *d_in, const QString &rootDir,
 	 * for instances that DO NOT have the CustomBaseJar setting (legacy instances),
 	 * [.]minecraft/bin/mcbackup.jar is the default base jar
 	 */
-	settings().registerSetting(new Setting("UseCustomBaseJar", true));
-	settings().registerSetting(new Setting("CustomBaseJar", ""));
+	settings().registerSetting("UseCustomBaseJar", true);
+	settings().registerSetting("CustomBaseJar", "");
 
 	auto globalSettings = MMC->settings();
 
 	// Java Settings
-	settings().registerSetting(new Setting("OverrideJava", false));
-	settings().registerSetting(
-		new OverrideSetting("JavaPath", globalSettings->getSetting("JavaPath")));
-	settings().registerSetting(
-		new OverrideSetting("JvmArgs", globalSettings->getSetting("JvmArgs")));
+	settings().registerSetting("OverrideJava", false);
+	settings().registerOverride(globalSettings->getSetting("JavaPath"));
+	settings().registerOverride(globalSettings->getSetting("JvmArgs"));
 
 	// Custom Commands
-	settings().registerSetting(new Setting("OverrideCommands", false));
-	settings().registerSetting(new OverrideSetting(
-		"PreLaunchCommand", globalSettings->getSetting("PreLaunchCommand")));
-	settings().registerSetting(
-		new OverrideSetting("PostExitCommand", globalSettings->getSetting("PostExitCommand")));
+	settings().registerSetting({"OverrideCommands","OverrideLaunchCmd"}, false);
+	settings().registerOverride(globalSettings->getSetting("PreLaunchCommand"));
+	settings().registerOverride(globalSettings->getSetting("PostExitCommand"));
 
 	// Window Size
-	settings().registerSetting(new Setting("OverrideWindow", false));
-	settings().registerSetting(
-		new OverrideSetting("LaunchMaximized", globalSettings->getSetting("LaunchMaximized")));
-	settings().registerSetting(new OverrideSetting(
-		"MinecraftWinWidth", globalSettings->getSetting("MinecraftWinWidth")));
-	settings().registerSetting(new OverrideSetting(
-		"MinecraftWinHeight", globalSettings->getSetting("MinecraftWinHeight")));
+	settings().registerSetting("OverrideWindow", false);
+	settings().registerOverride(globalSettings->getSetting("LaunchMaximized"));
+	settings().registerOverride(globalSettings->getSetting("MinecraftWinWidth"));
+	settings().registerOverride(globalSettings->getSetting("MinecraftWinHeight"));
 
 	// Memory
-	settings().registerSetting(new Setting("OverrideMemory", false));
-	settings().registerSetting(
-		new OverrideSetting("MinMemAlloc", globalSettings->getSetting("MinMemAlloc")));
-	settings().registerSetting(
-		new OverrideSetting("MaxMemAlloc", globalSettings->getSetting("MaxMemAlloc")));
-	settings().registerSetting(
-		new OverrideSetting("PermGen", globalSettings->getSetting("PermGen")));
+	settings().registerSetting("OverrideMemory", false);
+	settings().registerOverride(globalSettings->getSetting("MinMemAlloc"));
+	settings().registerOverride(globalSettings->getSetting("MaxMemAlloc"));
+	settings().registerOverride(globalSettings->getSetting("PermGen"));
 
 	// Console
-	settings().registerSetting(new Setting("OverrideConsole", false));
-	settings().registerSetting(
-		new OverrideSetting("ShowConsole", globalSettings->getSetting("ShowConsole")));
-	settings().registerSetting(new OverrideSetting(
-		"AutoCloseConsole", globalSettings->getSetting("AutoCloseConsole")));
+	settings().registerSetting("OverrideConsole", false);
+	settings().registerOverride(globalSettings->getSetting("ShowConsole"));
+	settings().registerOverride(globalSettings->getSetting("AutoCloseConsole"));
 }
 
 void BaseInstance::iconUpdated(QString key)
diff --git a/logic/InstanceFactory.cpp b/logic/InstanceFactory.cpp
index 7c778035..1f1a5879 100644
--- a/logic/InstanceFactory.cpp
+++ b/logic/InstanceFactory.cpp
@@ -45,7 +45,7 @@ InstanceFactory::InstLoadError InstanceFactory::loadInstance(BaseInstance *&inst
 {
 	auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));
 
-	m_settings->registerSetting(new Setting("InstanceType", "Legacy"));
+	m_settings->registerSetting("InstanceType", "Legacy");
 
 	QString inst_type = m_settings->get("InstanceType").toString();
 
@@ -94,7 +94,7 @@ InstanceFactory::InstCreateError InstanceFactory::createInstance(BaseInstance *&
 		return InstanceFactory::NoSuchVersion;
 
 	auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));
-	m_settings->registerSetting(new Setting("InstanceType", "Legacy"));
+	m_settings->registerSetting("InstanceType", "Legacy");
 
 	if (type == NormalInst)
 	{
@@ -171,7 +171,7 @@ InstanceFactory::InstCreateError InstanceFactory::copyInstance(BaseInstance *&ne
 		return InstanceFactory::CantCreateDir;
 	}
 	auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));
-	m_settings->registerSetting(new Setting("InstanceType", "Legacy"));
+	m_settings->registerSetting("InstanceType", "Legacy");
 	QString inst_type = m_settings->get("InstanceType").toString();
 
 	if(inst_type == "OneSixFTB")
diff --git a/logic/LegacyInstance.cpp b/logic/LegacyInstance.cpp
index 08d7c147..0bc0961e 100644
--- a/logic/LegacyInstance.cpp
+++ b/logic/LegacyInstance.cpp
@@ -37,11 +37,11 @@ LegacyInstance::LegacyInstance(const QString &rootDir, SettingsObject *settings,
 							   QObject *parent)
 	: BaseInstance(new LegacyInstancePrivate(), rootDir, settings, parent)
 {
-	settings->registerSetting(new Setting("NeedsRebuild", true));
-	settings->registerSetting(new Setting("ShouldUpdate", false));
-	settings->registerSetting(new Setting("JarVersion", "Unknown"));
-	settings->registerSetting(new Setting("LwjglVersion", "2.9.0"));
-	settings->registerSetting(new Setting("IntendedJarVersion", ""));
+	settings->registerSetting("NeedsRebuild", true);
+	settings->registerSetting("ShouldUpdate", false);
+	settings->registerSetting("JarVersion", "Unknown");
+	settings->registerSetting("LwjglVersion", "2.9.0");
+	settings->registerSetting("IntendedJarVersion", "");
 }
 
 std::shared_ptr<Task> LegacyInstance::doUpdate(bool only_prepare)
diff --git a/logic/OneSixInstance.cpp b/logic/OneSixInstance.cpp
index fd41b9e5..2392c683 100644
--- a/logic/OneSixInstance.cpp
+++ b/logic/OneSixInstance.cpp
@@ -33,8 +33,8 @@ OneSixInstance::OneSixInstance(const QString &rootDir, SettingsObject *setting_o
 	: BaseInstance(new OneSixInstancePrivate(), rootDir, setting_obj, parent)
 {
 	I_D(OneSixInstance);
-	d->m_settings->registerSetting(new Setting("IntendedVersion", ""));
-	d->m_settings->registerSetting(new Setting("ShouldUpdate", false));
+	d->m_settings->registerSetting("IntendedVersion", "");
+	d->m_settings->registerSetting("ShouldUpdate", false);
 	reloadFullVersion();
 }
 
diff --git a/logic/icons/IconList.cpp b/logic/icons/IconList.cpp
index 1e692d1d..3a745662 100644
--- a/logic/icons/IconList.cpp
+++ b/logic/icons/IconList.cpp
@@ -42,10 +42,10 @@ IconList::IconList(QObject *parent) : QAbstractListModel(parent)
 	connect(m_watcher.get(), SIGNAL(directoryChanged(QString)),
 			SLOT(directoryChanged(QString)));
 	connect(m_watcher.get(), SIGNAL(fileChanged(QString)), SLOT(fileChanged(QString)));
-	
+
 	auto setting = MMC->settings()->getSetting("IconsDir");
 	QString path = setting->get().toString();
-	connect(setting, SIGNAL(settingChanged(const Setting &, QVariant)),
+	connect(setting.get(), SIGNAL(settingChanged(const Setting &, QVariant)),
 			SLOT(settingChanged(const Setting &, QVariant)));
 	directoryChanged(path);
 }
@@ -145,7 +145,7 @@ void IconList::fileChanged(const QString &path)
 
 void IconList::settingChanged(const Setting &setting, QVariant value)
 {
-	if(setting.configKey() != "IconsDir")
+	if(setting.id() != "IconsDir")
 		return;
 
 	directoryChanged(value.toString());