Getting avm2 prototypes for avm1 object construction
Fixes _constructSymbol
Avoids overriding existing movie var
Merge pull request #695 from yurydelendik/flocon-2

Fixes Flocon
Keep hidden objects out of the quad tree.
Remove unused stage object counters.
Fix and optimize mouse handling.
Merge pull request #696 from tobeytailor/quadtree

Misc fixes and optimizations
Fixes font defaults handling
Sets initial text color
Merge pull request #697 from yurydelendik/font-3

Misc font fixes
Fixes aot tracing; example for class compilation
Fixes space_twits after twips refactoring
Merge branch 'master' of github.com:mozilla/shumway
Fixes video bbox
Somewhat implement pageDomain
Removes loader._control.appendChild for image
Keeps stage and root populated during removedFromStage
Fix buttons.
Optimize mouse target lookup.