Fix typos in shape.c causing memory leak
Heightmap redo
Merge branch 'master' of github.com:TheCodeLab/IntenseLogic

Conflicts:
	src/graphics/graphics.c
Document util
Document input
Remove common.h
Document common
Remove fs.h - it had no purpose
Document asset
Demote script
Document and delete commented code in script.h/c
Fix doxygen briefs not showing
Remove ancient physics code
Document math