Added BackgroundMusic, Vocaluxe now plays every File with mp3, wav, ogg or wma ending in the BackgroundMusic folder

Output/BackgroundMusic/background track license.txt

@@ -0,0 +1,10 @@
+This work is licensed under the Creative Commons license by-sa 3.0.
+(http://creativecommons.org/licenses/by-sa/3.0/)
+
+Author:
+DJad (http://www.jamendo.com/de/artist/DJad)
+
+Distributed by:
+Site: jamendo.com
+File: DJad - Walking Alone.mp3
+URL:  http://www.jamendo.com/de/track/543970