Fixed #187
Form default value fix
Bug in Cudi Financial
The menu on the left side of the admin is now created using a new config file.

This removes all dependencies of the admin layout's base.twig to _all_ modules
apart from BootstrapBundle and WikiBundle.
made menus alphabetically once more
updated documentation of the module configuration
Merge branch 'dev-admin-menu'
Fixed discount display problem
Merge branch 'master' of github.com:LitusProject/Litus
Show bookings of academic year for each person/article
Improved returned articles (new booking status)
Return multiple items fix
fixed wrong usage of the HasAccess controller plugin
fixed typo introduced in a615f5e3
upgraade process now works on a clean install without having to edit database entries / config values in admin
Poster fix
Admin menu fix
Doodle fix
Piano reservations on Tuesday
Some small usability fixes for the exported member file