Store messages in the current user session to be able to fetch messages from
other controllers, so that the use can be redirected back to the index, instead
of staying in the original action
refs #5100
This exception should be fired when the OS restricts the web user
from executing certain actions. Also the template for errors has
been modified so it displays the action and the target that
was prevented.
refs #4092
Eric Lippmann
Matthias Jentsch
Marius Hein
Jannis Moßhammer