AH-531 First code lines going into the program.
AH-531 Sound works and some long term testing needs to be done.
AH-531 Background sounds now working as intended.

Random background sound now have a "No sounds in the map" check when the game round starts. new sounds added during a game round will not be found and activated only if it was in the map before the loading screen.
Merge remote-tracking branch 'origin/master' into AH-531__backgroundsound