Add caching headers for images
Forward Erfurt
Add rdfAction to PersonController. Fix #23.

  * Overwrite rdfAction of ResourceController in PersonController
  * Export a foaf:PersonalProfileDocument if the resource exists
Fix HTML problems in resource show
Add missing feed template
Improve activitystream partial
Add media show. Create media as media ressources
Improve content negotiation in ResourceController
Add/Fix Tagging function
Update Activity URI to use c=activity
Fix title of activity/show
Add new NotificationController and check if notifications are read
Add show action for activity controller
Add debug placeholder to error output
Remove unnecessary parameters on activity creation
Add getpersonuriAction, move homeAction to top
Fix activity creation on addFriend
Redirect to login after signup
Add addfriend template
Add template for setup/cleardatabase