Revisado los comentarios para todos los controladores
	modified:   CygnusCloud/controllers/administrator.py
	modified:   CygnusCloud/controllers/administrator.py.bak
	modified:   CygnusCloud/controllers/main.py
	modified:   CygnusCloud/controllers/main.py.bak
	modified:   CygnusCloud/controllers/student.py
	modified:   CygnusCloud/controllers/student.py.bak
	modified:   CygnusCloud/controllers/teacher.py
	modified:   CygnusCloud/controllers/vncClient.py
	modified:   CygnusCloud/controllers/vncClient.py.bak
	modified:   CygnusCloud/models/db.py
	modified:   CygnusCloud/models/db.py.bak
	modified:   CygnusCloud/progress.log