Adds missing AS2MovieClip glue defs
_callFrame and _addToPendingScripts stuff
Implements swapDepths
Implements setMask
Merge pull request #557 from yurydelendik/misc-avm1-4

Misc avm1 fixes
Refactor timeline handling.
Handle AVM1 frame navigation.
Adds prependRotation
Workaround for IE: not fail on Uint8ClampedArray
Stubs Transform.matrix3D and DisplayObject.rotationZ
Merge pull request #559 from yurydelendik/m3d

Stubs Martix3D properties for Transform and DisplayObject
Add stub for flash.text.engine::FontDescription
Merge pull request #561 from artcompiler/api

Add stub for flash.text.engine::FontDescription
Workaround for defineLazyProp for Safari
Sets right OS for mobile Safari
Merge pull request #562 from yurydelendik/safari-1

Attempt to make things work for Safari
Update flash refs
Fixes build-web
Fix verifier crash (Issue #553)
Merge pull request #560 from artcompiler/verifier

Fix verifier crash (Issue #553)