Update2 to roles management

Remove tree view from basic roles list
Add parent in preview
Update3 to roles management

Introduce disabled permissions on parent change
Merge branch 'sprint8-update2' of github.com:nidzix/superdesk-client into user-permissions

Conflicts:
	app/scripts/superdesk-users/controllers/settings.js
	app/scripts/superdesk-users/views/settings.html