Merge pull request #164 from malucky/dev

Update view when another client with same share id adds a song using socket io
Refactores next songs sidebar implementation
Merge branch 'nextSongs' into dev

Conflicts:
	public/scripts/app.js
Fixed socket.io dependency
Merge pull request #165 from deini/dev

Now showing next 5 songs
Deleted rdio helper script that is duplicate