Merge pull request #51 from Gegga87/master

added get_friends_list wraper function to make code more clear
implemented correct error messages for login and registration. Added error_code for internal protocol errors to handle errors rather than just pass a message describing the error
Merge pull request #52 from ahlen/master

implemented correct error messages for login and registration. Added err...
added some info to services/lobby/__init__.py
Merge branch 'master' of github.com:quizzingbricks/quizzingbricks-core
__init.py__ i lobby
Merge pull request #53 from Gurr3/master

added some info to services/lobby/__init__.py
smaller changes to game_board.html/js to start working on communication with game backend