OpenC-IIIT/2048-multiplayer — pull request #28 by himu2214225 (2014-11-08 14:23:28+00:00)
Title: Updated password_authentication.cpp

Made a complete login screen for user.
It checks if user already exists, if not it registers it as a new user.
It also checks for same username.
(Admin:replace this line with the function to start the game "// enter here the function to start the game" , where ever found).