Commiting UserController.js and ChatRoomController.js
MessageController.js created.

Messages' controller used to interact with the database.
Schemas of user, chat room, message created.

Schemas containing the model of the objects used in the database.
Error in save function the controller fixed
Changed reference of chatRoom in the message's schema.
Encrypt Passwords and encrypt/decrypt messages
Merge branch 'master' into encrypt
Merge branch 'encrypt'
Merge branch 'controllers'
Merge remote-tracking branch 'origin/messageController'