fixed design resolution for iOS, mac, fix for texture warping stutter
Merge pull request #2 from dabingnn/android_loader

add mesh loader for android
added quadTree, don’t know if it works
add gitignore
remove unused files
fix vertex normal generation error
Merge branch 'master' into android_loader

* master:
  remove unused files
  add gitignore
  added quadTree, don’t know if it works
  fixed design resolution for iOS, mac, fix for texture warping stutter