Move "dashboard" aka the config editor to it's own ConcertoConfig controller.

This has the /settings url.
Move run_backup to the new Tools controller.
Add placeholder tests for Tools and ConcertoConfig Controllers.
Merge branch 'revised_dashboard' of github.com:concerto/concerto into revised_dashboard

Conflicts:
	app/views/elements/_topmenu_contents.html.erb
	config/routes.rb