Update Kepler target platform to use Kepler SR2 orbit R-build

Change-Id: I3c215b8bbb6497b59d20c9fe7684a0c3522636e8
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.3.target

@@ -30,7 +30,7 @@
       <unit id="org.eclipse.jetty.util.source" version="7.6.14.v20131031"/>
     </location>
     <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/M20140114142710/repository/"/>
+      <repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20140114142710/repository/"/>
       <unit id="org.apache.ant.source" version="1.8.4.v201303080030"/>
       <unit id="org.apache.ant" version="1.8.4.v201303080030"/>
       <unit id="org.apache.commons.compress" version="1.6.0.v201310281400"/>