update from 2.2 to 2.3
fix deprecated methods
update migration and fixtures bundles
update doctrine and fix deprecated method
Merge pull request #129 from fender-hm/update_symfony

Update symfony from 2.2 to 2.3
Merge remote-tracking branch 'remotes/stfalcon/master' into 14834_add_multilang

* remotes/stfalcon/master:
  update doctrine and fix deprecated method
  update migration and fixtures bundles
  fix deprecated methods
  update from 2.2 to 2.3