added check for minimal quad size to avoid divisions through zero (closes #487)
disallowing quads with an empty area altogether (refs #487)
now avoiding clipping of native filter bounds (closes #481)
optimized performance of 'normalizeAngle' by avoiding loop (closes #488)
added 'destroyBuffers' so that batch doesn't destroy every time capacity is changed
optimization of 'removeEventListener' (refs #491)
replaced the last 'removeEventListener' optimization with a better one (closes #491)

Previously, I overlooked the side-effect of "splice" (always allocates two new objects).
fixed invalid vector initialization (closes #491)
fixing null reference exception introduced in last commit
corrected TouchProcessor's 'deactivate' event handlers (closes #492)
Update AssetManager.as

proper name for the asset that has physic name containing special character like @,%...
Merge pull request #496 from peerobo/patch-1

now properly handling files with special characters
fixed potential divison through zero (closes #499)
Merge branch 'master' of github.com:PrimaryFeather/Starling-Framework
avoiding rounding errors, added tests (refs #499)
added yet another NaN check (refs #499)
added 'RectangleUtil.getBounds' method
now using Rectangle instead of quad for hit area
prepared antiAliasing in RenderTextures for upcoming AIR 13 (refs #459)
added 'SystemUtil' class to simplify platform-dependent tasks