added SAT collision check
added SAT collision check
Merge branch 'Poly_collision' of https://github.com/ernestaszdanys/freefall into Poly_collision
Some new img
polyPoly working collision
Fixed rectRect function and added intersectionData to polyPoly
Working impulse response
minor fixes
Merge branch 'Poly_collision'

* Poly_collision:
  minor fixes
  Working impulse response
  Fixed rectRect function and added intersectionData to polyPoly
  polyPoly working collision
  Some new img
  added SAT collision check
  added SAT collision check
Added rock obstacles
Added images
Merge branch 'master' into Parllax_Scrolling

Conflicts:
	game/js/game.js
	game/js/level.js