First minor steps towards sending messages (more to come)
Merge pull request #141 from boersmamarcel/404routing

Custom exceptions
Merge pull request #144 from boersmamarcel/hotfix

Renamed scope to more descriptive name
First bits and pieces for the message form
First "working" prototype of sending messages
Fixes #146
Merge pull request #147 from boersmamarcel/profile

Minor changes
Adds tests for sending messages
Merge branch 'master' into messagecenter
Removes temporary send button
Adds message button to challenge for supervisor
Merge pull request #149 from boersmamarcel/messagecenter

Messagecenter
Small fix
Merge pull request #150 from boersmamarcel/hotfix

Small fix
Merge branch 'master' into usermanagement

Conflicts:
	config/routes.rb