renamed title from approve events
Updated link to requested bookings in header
Merge branch 'Elch' into E/feature/#49

Conflicts:
	db/schema.rb
added test files for feature#49
approve events uses status field instead of approved field
removed validation of data from events approval controller
added example data for event approval to db seeds
added rights for admin users to approve and decline events
replaced room links in event approval from room details to room events
updated seeds so that events can have multiple rooms
added translations for German and English
Merge branch 'E/feature/#49' into Elch
Added tests in routing and requests for event approval
Merge branch 'E/feature/#49' into Elch
Merge branch 'Elch' into E/feature/#100

Conflicts:
	app/views/events_approval/index.html.erb
updated seeds so that events are private and important