Merge branch 'stable-3.4' into stable-3.5

* stable-3.4:
  EGit Mylyn Github Connector v3.4.2.201412180340-r

Change-Id: I18a9186aa24eb2d43086d77ecff2c2f025ebb8df
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>