Adds feature and message model

Not working just yet.
Adds a big part of the message center part

Use /messages/generate while logged in to create two test messages
(repeat if you want more ;-))
Adds a lot of new functionality and looks to the message center
Fixes ambiguities in feature
A few changes with regards to layouts
This should fix stuff.
Created helper functions for dates and names
Moves generate function to seed file
Merge pull request #116 from boersmamarcel/messagecenter

Messagecenter
Merge master into security