changed form post to get
Merge branch 'dev' of https://github.com/sunriseJS/sunriseJS into dev

# By JGerdes
# Via JGerdes
* 'dev' of https://github.com/sunriseJS/sunriseJS:
  added collsion handling to physics (temporal, will change)
  created physics component
  fixed: util.vec2 wasn't usable
  stage provides milliseconds since last tick when emitting 'tick' event