area: remove gap (margin) with walls on border
stats: update lib
sound: diseable (may crash dartium ?)
build: try the new dartanalyzer
try: Perspective Camera
try: TPS Camera
update lib
too many changes (bad practice) : 
* replace Three.js by glf
* replace box2d by verlet
* TPS camera
* disable some  feature
update build
remove three-r58
add precision into mat0.vert
CameraFollower avoid object between camera and target (player)
ignore out/ folder
ignore *.off
refactor enable/disable SSAO
rename some import aliases
use gameLoop library for main loop.
re-enable music + small refactor of main
add pause/resume on visibility change