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diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/ProtocolVersion.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/ProtocolVersion.java
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+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/ProtocolVersion.java
@@ -0,0 +1,264 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib;
+
+import java.io.Serializable;
+
+import ch.boye.httpclientandroidlib.annotation.Immutable;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * Represents a protocol version. The "major.minor" numbering
+ * scheme is used to indicate versions of the protocol.
+ * <p>
+ * This class defines a protocol version as a combination of
+ * protocol name, major version number, and minor version number.
+ * Note that {@link #equals} and {@link #hashCode} are defined as
+ * final here, they cannot be overridden in derived classes.
+ * </p>
+ *
+ * @since 4.0
+ */
+@Immutable
+public class ProtocolVersion implements Serializable, Cloneable {
+
+    private static final long serialVersionUID = 8950662842175091068L;
+
+
+    /** Name of the protocol. */
+    protected final String protocol;
+
+    /** Major version number of the protocol */
+    protected final int major;
+
+    /** Minor version number of the protocol */
+    protected final int minor;
+
+
+    /**
+     * Create a protocol version designator.
+     *
+     * @param protocol   the name of the protocol, for example "HTTP"
+     * @param major      the major version number of the protocol
+     * @param minor      the minor version number of the protocol
+     */
+    public ProtocolVersion(final String protocol, final int major, final int minor) {
+        this.protocol = Args.notNull(protocol, "Protocol name");
+        this.major = Args.notNegative(major, "Protocol minor version");
+        this.minor = Args.notNegative(minor, "Protocol minor version");
+    }
+
+    /**
+     * Returns the name of the protocol.
+     *
+     * @return the protocol name
+     */
+    public final String getProtocol() {
+        return protocol;
+    }
+
+    /**
+     * Returns the major version number of the protocol.
+     *
+     * @return the major version number.
+     */
+    public final int getMajor() {
+        return major;
+    }
+
+    /**
+     * Returns the minor version number of the HTTP protocol.
+     *
+     * @return the minor version number.
+     */
+    public final int getMinor() {
+        return minor;
+    }
+
+
+    /**
+     * Obtains a specific version of this protocol.
+     * This can be used by derived classes to instantiate themselves instead
+     * of the base class, and to define constants for commonly used versions.
+     * <br/>
+     * The default implementation in this class returns <code>this</code>
+     * if the version matches, and creates a new {@link ProtocolVersion}
+     * otherwise.
+     *
+     * @param major     the major version
+     * @param minor     the minor version
+     *
+     * @return  a protocol version with the same protocol name
+     *          and the argument version
+     */
+    public ProtocolVersion forVersion(final int major, final int minor) {
+
+        if ((major == this.major) && (minor == this.minor)) {
+            return this;
+        }
+
+        // argument checking is done in the constructor
+        return new ProtocolVersion(this.protocol, major, minor);
+    }
+
+
+    /**
+     * Obtains a hash code consistent with {@link #equals}.
+     *
+     * @return  the hashcode of this protocol version
+     */
+    @Override
+    public final int hashCode() {
+        return this.protocol.hashCode() ^ (this.major * 100000) ^ this.minor;
+    }
+
+
+    /**
+     * Checks equality of this protocol version with an object.
+     * The object is equal if it is a protocl version with the same
+     * protocol name, major version number, and minor version number.
+     * The specific class of the object is <i>not</i> relevant,
+     * instances of derived classes with identical attributes are
+     * equal to instances of the base class and vice versa.
+     *
+     * @param obj       the object to compare with
+     *
+     * @return  <code>true</code> if the argument is the same protocol version,
+     *          <code>false</code> otherwise
+     */
+    @Override
+    public final boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof ProtocolVersion)) {
+            return false;
+        }
+        final ProtocolVersion that = (ProtocolVersion) obj;
+
+        return ((this.protocol.equals(that.protocol)) &&
+                (this.major == that.major) &&
+                (this.minor == that.minor));
+    }
+
+
+    /**
+     * Checks whether this protocol can be compared to another one.
+     * Only protocol versions with the same protocol name can be
+     * {@link #compareToVersion compared}.
+     *
+     * @param that      the protocol version to consider
+     *
+     * @return  <code>true</code> if {@link #compareToVersion compareToVersion}
+     *          can be called with the argument, <code>false</code> otherwise
+     */
+    public boolean isComparable(final ProtocolVersion that) {
+        return (that != null) && this.protocol.equals(that.protocol);
+    }
+
+
+    /**
+     * Compares this protocol version with another one.
+     * Only protocol versions with the same protocol name can be compared.
+     * This method does <i>not</i> define a total ordering, as it would be
+     * required for {@link java.lang.Comparable}.
+     *
+     * @param that      the protocol version to compare with
+     *
+     * @return   a negative integer, zero, or a positive integer
+     *           as this version is less than, equal to, or greater than
+     *           the argument version.
+     *
+     * @throws IllegalArgumentException
+     *         if the argument has a different protocol name than this object,
+     *         or if the argument is <code>null</code>
+     */
+    public int compareToVersion(final ProtocolVersion that) {
+        Args.notNull(that, "Protocol version");
+        Args.check(this.protocol.equals(that.protocol),
+                "Versions for different protocols cannot be compared: %s %s", this, that);
+        int delta = getMajor() - that.getMajor();
+        if (delta == 0) {
+            delta = getMinor() - that.getMinor();
+        }
+        return delta;
+    }
+
+
+    /**
+     * Tests if this protocol version is greater or equal to the given one.
+     *
+     * @param version   the version against which to check this version
+     *
+     * @return  <code>true</code> if this protocol version is
+     *          {@link #isComparable comparable} to the argument
+     *          and {@link #compareToVersion compares} as greater or equal,
+     *          <code>false</code> otherwise
+     */
+    public final boolean greaterEquals(final ProtocolVersion version) {
+        return isComparable(version) && (compareToVersion(version) >= 0);
+    }
+
+
+    /**
+     * Tests if this protocol version is less or equal to the given one.
+     *
+     * @param version   the version against which to check this version
+     *
+     * @return  <code>true</code> if this protocol version is
+     *          {@link #isComparable comparable} to the argument
+     *          and {@link #compareToVersion compares} as less or equal,
+     *          <code>false</code> otherwise
+     */
+    public final boolean lessEquals(final ProtocolVersion version) {
+        return isComparable(version) && (compareToVersion(version) <= 0);
+    }
+
+
+    /**
+     * Converts this protocol version to a string.
+     *
+     * @return  a protocol version string, like "HTTP/1.1"
+     */
+    @Override
+    public String toString() {
+        final StringBuilder buffer = new StringBuilder();
+        buffer.append(this.protocol);
+        buffer.append('/');
+        buffer.append(Integer.toString(this.major));
+        buffer.append('.');
+        buffer.append(Integer.toString(this.minor));
+        return buffer.toString();
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+
+}