We were raising a `CanCan::AcessDenied` and were getting a 500 Internal
Server Error.
I've chosen to do the same thing we do in the ApplicationController.
There are other options to handle this request, like redirecting to the
login page or returning a 401 Unauthorized HTTP status.
Keep a blank line before and after private
Keep a blank line before and after protected
Remove extra empty line at class body end
Remove extra blank line
Add final newline
Use 2 (not 3) spaces for indentation
Use 2 (not 4) spaces for indentation
Remove space before comma
Add space after comma
Remove trailing whitespaces
Remove unnecessary spacing
Use snake_case for variable names
Do not use then for multi-line if
Remove unused block argument - i
Use the new Ruby 1.9 hash syntax
Remove unused assignment to variable
Indent when as deep as case
Align attributes
Align end with def
