Merge branch 'stable-4.0'

* stable-4.0:
  Prepare post 4.0.0-rc1 builds
  JGit v4.0.0.201505191015-rc1

Change-Id: I9731a591368e2e7ed642e36bd1ffee312b9568c7
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>