update example testMesh
added sphere
updated random value sample
update TODO
Merge branches 'dev' and 'master' of https://github.com/filgf/grow3 into dev
fixed camera
added lighting, default light when no light() call
toplevel rule call possible -> build-param -> default "start"
update TODO
Merge branch 'dev' of https://github.com/filgf/grow3 into dev

Conflicts:
	utils/TODO.md
update todo, new build