Creating methods in controller
Recover password implemented
Fixing deprecated and put uniqueness in matricula. Creating tests too.
Fixing tests
Retrieve password test
Fixing tests
Merge branch 'approval' into retrieve

Conflicts:
	app/controllers/users_controller.rb
	app/views/users/_form-edit.html.erb
	app/views/users/edit.html.erb
Merge branch 'retrieve' into approval