Updates BouncyCastle to v1.51. Fixes issues with certain DTLS cipher suites. Supports DTLS v1.2.

.classpath

@@ -78,7 +78,7 @@
 	<classpathentry kind="lib" path="lib/os-specific/mac/growl4j.jar"/>
 	<classpathentry kind="lib" path="lib/os-specific/mac/OrangeExtensions.jar"/>
 	<classpathentry kind="lib" path="lib/installer-exclude/jmork-1.0.5-SNAPSHOT.jar" sourcepath="/jmork"/>
-	<classpathentry kind="lib" path="lib/installer-exclude/bcprov-jdk15on-150.jar"/>
+	<classpathentry kind="lib" path="lib/installer-exclude/bcprov-jdk15on-151.jar"/>
 	<classpathentry kind="lib" path="lib/installer-exclude/commons-lang3-3.1.jar"/>
 	<classpathentry kind="lib" path="lib/installer-exclude/bccontrib-1.0-SNAPSHOT.jar"/>
 	<classpathentry kind="lib" path="lib/installer-exclude/zrtp4j-light.jar"/>

build.xml

@@ -1315,7 +1315,7 @@
 
             <zipfileset dir="${dest}/net/java/sip/communicator/impl/libjitsi"
                 prefix="net/java/sip/communicator/impl/libjitsi"/>
-            <zipfileset src="${lib.noinst}/bcpkix-jdk15on-150.jar" prefix=""
+            <zipfileset src="${lib.noinst}/bcpkix-jdk15on-151.jar" prefix=""
                 excludes="META-INF/BCKEY.*"/>
             <zipfileset src="${lib.noinst}/fmj.jar" prefix=""/>
             <zipfileset src="${lib.noinst}/libjitsi.jar" prefix=""/>
@@ -2513,7 +2513,7 @@ org.bouncycastle.util"/>
 
     <!--BUNDLE-BOUNCYCASTLE -->
     <target name="bundle-bouncycastle">
-        <copy file="${lib.noinst}/bcprov-jdk15on-150.jar" tofile="${bundles.dest}/bouncycastle.jar"/>
+        <copy file="${lib.noinst}/bcprov-jdk15on-151.jar" tofile="${bundles.dest}/bouncycastle.jar"/>
         <copy file="${lib.noinst}/bccontrib-1.0-SNAPSHOT.jar" tofile="${bundles.dest}/bccontrib.jar"/>
     </target>