Refactoring: redistribution of code among modules.
Proof of concept- server and client side.
Login and logout against database table.
Growl style flash messages.
Very simple implementation of user right distribution to the client.
Minor changes in flash messaging.
Finished navbar.
List of conversations limited to logged user.
Restricted listing of resources to user roles.
Fixed bug in repeated calculating of MD5 checksum of password during persist().
User roles in client app.