superuser center and users management
Merge branch 'master' of https://github.com/jcabotc/centro_negocios

Conflicts:
	app/controllers/superuser/superusers_controller.rb
	app/controllers/superuser/users_controller.rb
	app/views/superuser/superusers/show.html.haml
	app/views/superuser/users/_form.html.haml
	app/views/superuser/users/_user.html.haml
	config/routes.rb