Fix and optimize bounding box invalidation.
Dispatch construct events.
Merge pull request #690 from tobeytailor/display

Fix and optimize bounding box invalidation.
Merge pull request #691 from tobeytailor/avm1

AVM1: Fire "construct" events
Fixes AVM2 class detection
Fixes position of createTextField created object
Maps child by name at _insertChildAtDepth
Fixes initial color
Fixes color transform for gradients
Merge pull request #692 from yurydelendik/gradient-color-transform

Fixes color transform for gradients
Merge pull request #693 from yurydelendik/misc-avm1-5

Misc AS2/AVM1 fixes
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