Página de notificaciones y etiqueta asociada terminada para los tres tipos de usuarios
	modified:   CygnusCloud/controllers/administrator.py
	modified:   CygnusCloud/controllers/administrator.py.bak
	modified:   CygnusCloud/controllers/student.py
	modified:   CygnusCloud/controllers/student.py.bak
	modified:   CygnusCloud/controllers/teacher.py
	modified:   CygnusCloud/modules/clusterConnector/clusterConnector.py
	modified:   CygnusCloud/modules/clusterEndpoint/databases/commandsDatabaseConnector.py
	modified:   CygnusCloud/progress.log
	modified:   CygnusCloud/static/css/default.css#
	new file:   CygnusCloud/static/images/mail.png