Correctly use current user instead of file owner as user for sharing activities
Remove trailing slash from item name when sharing a folder
Remove more code duplication
Fix doc block of addNotificationsForUser()
Fix more doc blocks
Remove old code
Fix :camel: for DeepDiver :P
Fix more doc blocks
Merge pull request #68 from owncloud/fix-resharing-activities

Correctly use current user instead of file owner as user for sharing activities