added permissions datastream
added view to edit default permissions for an activity
added view to edit default permissions for an activity
handle update of permissions
added before_save method to set right metadata based on activity
added 'Hydra Access Groups' and 'Hydra Access Types' vocabolaries
bug fix
Merge branch 'development' into access_control
updated AD groups
updated navbar to display current user
added techmetadata (from valhal classic) to content_file
updated showviews
-added file download
added acccess controlls
fixed bugs in activity permissions
added access controls to nested ressources
excluded ContentFiles and Instances from solr search results
fixed test - include login_admin
added work validations
fixed bug: works created two times
follow up on review
Merge branch 'access_control' into development