* stable-1.3:
Prepare post 1.3.0.201202121842-rc4 builds
JGit 1.3.0.201202121842-rc4
Support gitdir references in working tree .git file
Support committing submodule updates
Update iplog tool's README
Change-Id: Id70f4d4b059b03d4fa6fbd9137b81a337e9c48e8 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>