code format/style
Merge branch 'master' into chainrouter

* master: (34 commits)
  Update description
  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
  get Types by creating in Controller instead of through get Methods
  Menu tab with : slug, weight and hidden from menu
  added the class btn-group to the main_actions menu
  added the class btn-group to the main_actions menu
  added class input-append to urlchooser_widget
  editmode
  fix for slug preview in admin
  extraparams method
  fix to prevent duplicate node translations
  fix form widgets - prefix can be empty
  url chooser _admin
  weight, slug, hidden from navigation not required
  text online offline
  explanation text for adminlist
  show field tooltip
  ...