-git ignore updated with sdl_mixer
+basic sounds keyboard 0-3 plays them for now
+1 music track
+sound manager
*fixed bounds checks in ColliderGrid.cpp
-added licence info for track 2
Merge branch 'master' of https://github.com/iboB/evoshooter

Conflicts:
	build/vc12/evoshooter/evoshooter.vcxproj.filters
	src/ExperimentState.cpp