Update last release version to 2.3.1.201302201838-r

Change-Id: I9c6d774526028e56707e15e80370460d964de76e
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

pom.xml

@@ -175,7 +175,7 @@
     <maven.build.timestamp.format>yyyyMMddHHmm</maven.build.timestamp.format>
     <bundle-manifest>${project.build.directory}/META-INF/MANIFEST.MF</bundle-manifest>
 
-    <jgit-last-release-version>2.3.0.201302130906</jgit-last-release-version>
+    <jgit-last-release-version>2.3.1.201302201838-r</jgit-last-release-version>
     <jsch-version>0.1.46</jsch-version>
     <junit-version>4.5</junit-version>
     <!-- TODO: update Maven dependency for args4j to 2.0.21 as soon as available on Maven Central -->