rename to fix file case sentive name problem. fuck you CI & Windows!
fuck.
Merge branch 'master' of https://github.com/tufanbarisyildirim/fbgroup

Conflicts:
	application/libraries/Facebook.php
	application/models/Answer_model.php
	application/models/Badge_model.php
	application/models/Comment_model.php
	application/models/Question_model.php
	application/models/Quiz_model.php
	application/models/User_model.php