BUILD 1.9890

added support  (not working) for single button hit  (USER INTERFACE)

added / changed sound files for axe throw

added / changed sound files for axe hit

added more fight sound (music for boss fight)

bug: fixed sound bug if entering boss fight/bosfight area/music starts

todo: 

global sound:

add script (named like sound, but with "script" file-extension) for sounddefintion:

global_sound_play_random

value (value=0) play sound if not playing