Merge pull request #22 from simplysoft/improvements

Add polling interval to json & update ip
Bump to .0.0.7
Added auth logic for new player button and resolved Concerto #970 by not showing the players panel to non-logged in users
Public users can't see IPs
Bump to 0.0.8
Merge remote-tracking branch 'origin/master' into player-tasks

Conflicts:
	app/views/concerto_hardware/screens/_screen_link.html.erb