Polling fixed, now broadcasts module update

Careful now, some modules (like weather) have an excessively long
update_rate, and therefore don't seem to update (though they do).
Merge branch 'webserver' of github.com:k-team/g-home into webserver

Conflicts:
	webclient/private/js/controllers/module_injector.js
	webclient/public/js/main.js