update gems-status
adapt code to latest version of gems-status and fix checkers
Merge branch 'master' of github.com:jordimassaguerpla/gems-status-web

Conflicts:
	app/views/rails_apps/index.html
have a page for each rails app

this was broken in a previous merge. Each app needs a page
so that the session variable ra (rails application)  can be set
accordingly