Merge branch 'master' into develop
Merge branch 'master' into feature/HUD

Conflicts:
	love2d/layer/hud.lua
	love2d/pawn.lua
Merge branch 'feature/HUD' into develop
added some documentation on playing sound files to sound.lua and soundinit.lua
Merge branch 'feature/behaviour' of https://github.com/nczempin/lizard-journey into feature/behaviour