Extend "can or can't have graphics" unit test to cover Stage
Append `InPlace` to Matrix methods `toTwips` and `toPixels`

 These return self, making it unclear if they clone or not.
Don't store LoaderInfo in Timeline.Frame

It's only used during initialization, so no need to keep it around.
Make SWF tag enums available in flash package, too

Preparation for changing lots of boolean fields to bitsets.
Cleanup - mostly formatting and spelling fixes
Turn all boolean flag fields on the placeObject result object into flags in a single bitset

This turns 16 32bit properties into a single one.
SWF parsing tag handlers cleanup
Merge pull request #1397 from tschneidereit/nat

Optimizations, mostly SWF parsing related