added the class btn-group to the main_actions menu
added the class btn-group to the main_actions menu
changedupgraded the choose link popup for bootstrap 2.2.2
added the class btn-group to the main_actions menu pull-right
inverse relations added
Merge pull request #24 from Kunstmaan/fix/inverse-relations

inverse relations added
Update .travis.yml
Merge pull request #25 from Kunstmaan/bootstrap_update

Bootstrap update
Merge branch 'master' into 2.1

* master:
  Update .travis.yml
  inverse relations added
  added the class btn-group to the main_actions menu pull-right
  changedupgraded the choose link popup for bootstrap 2.2.2
  added the class btn-group to the main_actions menu
  added the class btn-group to the main_actions menu