Remove some comment
+ add facebook button in loginscreen and change register screen to receive the facebook user account :

facebook user account : email, username, fullname
finished history user
Merge branch 'master' of https://github.com/borain89vn/sicbogameclientv2nm into borain89vn-master

Conflicts:
	AndroidManifest.xml
	project.properties
	res/layout/activity_login_screen.xml
	src/com/example/sicbogameexample/LoginScreen.java
	src/com/example/sicbogameexample/RegisterScreen.java