Merge pull request #5 from oadan79/master

Les proves que vaig fer en JSON i vaig ordenar també algo de codi
Added persons module
Added banks module
Multiple changes: New module curriculum with curriculum maintenances menu before this menus where at managment module
Now full database
TODO
Merge branch 'master' of https://github.com/oadan79/ebre-escool into oadan79-master

Conflicts:
	application/modules/attendance/controllers/attendance.php
	application/modules/attendance/views/check_attendance.php