Added CanCan Gem
exists? method
Ability class
Reduced complexity and removed unneccessary stuff
index ability
Cleared controllers. Yes!
Started to change everything
Naming error and cancan
Channel overview
5 channel rule
More channel stuff
cleanup
Renamed article to message
Small refactoring
Availabilities controller
Removed current_channel & current_rs stuff
Bugfix
Displaying of messages
Some CSS stuff
Removed notifications