Merge branch 'stable-3.3'

* stable-3.3:
  Prepare post 3.3.0RC1 builds
  EGit Mylyn Github Connector v3.3.0.201402191814-rc1

Change-Id: I444852553a58d981263e92fd1b70a558fc954b77
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>