If I only could get these row ids to work
Improvements
Merge branch 'master' into feature/330/registration-search-functionality

Conflicts:
	app/controllers/registrations_controller.rb
Added the correct classes and ids
No need for blargsh, nor for commented code
Basic filter form
Enable partial filtering
Better handling when there are no registrations
Renamed access level to ticket
Replaced the arrows, fixed the width on the to_pay column
Add the possibility to select all tickets
THIS TOOK WAY TOO FUCKING LONG
Add explaining comments
Merge pull request #330 from ZeusWPI/feature/330/registration-search-functionality

Search field for registration page