[Admin][Teacher] Added teachers administration
Merge branch 'row-design' of https://github.com/uFutureLabs/ufuturedesk-server into row-design

Conflicts:
	src/Ufuturelabs/Ufuturedesk/AdminBundle/Controller/TeacherController.php
	src/Ufuturelabs/Ufuturedesk/AdminBundle/Resources/config/routing.yml