Fix breakage due to empty config file for a given env
Merge pull request #63 from azul/bugfix/3201-fix-empty-config-error

Fix breakage due to empty config file for a given env
added empty 'home' layout and removed debugger from homecontroller
Merge branch 'master' into billing_with_tests

Conflicts:
	app/views/home/index.html.haml
Start to functionality for admins viewing billing of other users.