Enable the 'Player.Label' property to be used in an Item. Without this change, the XBMC host (Gotham 13.1) will return an error, as XBMC does currently not support querying the 'Label' property. It does, however return this property with every other query by default.
Merge pull request #1347 from avdleeuw/XBMC-label

[XBMC] Enable the 'Player.Label' property to be used in an Item. Without this c...