Bugfix where variable wasnt defined for translation groups

This caused lots of ugly warnings and general evil.

Change-Id: Id94b404269bfe908636492ce4bb4e43d50f1542d
Merge remote-tracking branch 'origin/master' into wmf_deploy

* origin/master:
  Bugfix where variable wasnt defined for translation groups

Change-Id: Id1e612c7dd4a34d47246bb3ca4450111320e6116