outside the group edit window, a tutor can:
- edit the blocks of group views
- edit access and secret urls
- create new group views
- delete a group view
- submit personal views to the group
- add new/edit topics in forum
- edit posts in forum
- create forlders and add files to a group

behatnotneeded

Change-Id: I9d554e2e0069794cad297f9ef2da8c78b2e9b200