Update kepler orbit version to R20130517111416

Change-Id: I635aaa28230d571f4b6bf65485edaba1b1561fc2
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.packaging/pom.xml

@@ -64,7 +64,7 @@
     <args4j-version>2.0.21.v201301150030</args4j-version>
     <jsch-version>0.1.46.v201205102330</jsch-version>
     <eclipse-site>http://download.eclipse.org/releases/juno</eclipse-site>
-    <orbit-site>http://download.eclipse.org/tools/orbit/downloads/drops/R20130118183705/repository/</orbit-site>
+    <orbit-site>http://download.eclipse.org/tools/orbit/downloads/drops/R20130517111416/repository/</orbit-site>
   </properties>
 
   <modules>