Applying the new way to save new users
Aplying data from user types in the session to load the correct pages
Applying data from user types in the session to load the correct pages
Creating Module and Permission classes
Loading modules of an user into user session
Login with restrict modules for users.

Signed-off-by: Macario Soares <macario.junior@gmail.com>
Adding sonar properties for statical analyze
Creating documentation for the new methods on Module and Permission models
Merge branch 'login' of https://github.com/italopaiva/SIP into login
Merge branch 'login'

Conflicts:
	application/controllers/login.php