renaming professor
deleting old files
administrator added
roles added
Merge branch 'development' into fosuser

Conflicts:
	app/config/config.yml
	src/Ath/UserBundle/Entity/Administrator.php
	src/Ath/UserBundle/Entity/User.php
	src/Ath/UserBundle/Form/Type/RegistrationProfessorFormType.php
	src/Ath/UserBundle/Resources/config/routing.yml
	src/Ath/UserBundle/Resources/views/Registration/administrator.form.html.twig
	src/Ath/UserBundle/Resources/views/Registration/professor.form.html.twig
register problem resolve for student