Integration of interactive things work on permissions

Merged pf_permission_screens
Conflicts:
	app/views/permissions/edit.html.haml
Fixing permission presets and more with Sebastian
Refactored permissions and responsibilities controller

Common functionality is shared in common super controller
Update permissions ignores :manage for group, :manage, and :edit for public permissions
Renaming things w.r.t. permissions with Susanne
Domina renaming to features_and_specs of main specification