added dropdowns to the playlist view
cleaned up comments in queue.html
Added ng-hide so dropdown does not allow you to add a song from a playlist to the same playlist
Fixed voting index issue
added functionality to remove a song from a playlist
Merge pull request #245 from nickescallon/dev

Added dropdowns to playlist view
Changing Vote Up to change color after clicked and disable the button. Change opacity of the songs that are above the current song
Merge branch 'voteIndexFix' into dev

Conflicts:
	public/views/queue.html
Merge pull request #246 from malucky/dev

Changing Vote Up to change color after clicked and disable the button and fix vote up index issue