[Frond-end] [Back-end] Got the CSRF Token Working
[Front-end] Refactored Authentication and sanitize into its own module. More Object Oriented.
Merge branch 'master' of https://github.com/omfgitsjack/justplay into frontend

Conflicts:
	app/views/index.php
	public/app/modules/login/login.js
changed signup.js
Merge branch 'master' of https://github.com/omfgitsjack/justplay

Conflicts:
	public/app/modules/signup/signup.js
resolved signup.js conflict
Merge branch 'master' of https://github.com/omfgitsjack/justplay into backend
refactored some code and deleted crsf in signup.js