refactor camera
fix rotation=0
fix negative scaling + anchor
allow to skip recomputing bounding volumes
anchorX, anchorY -> centerX, centerY
work on render states
work on bitmap fonts
add __next pointer for deferred drawing
move non-stage3d flash renderers to misc package
remove camera flag
clear flags using iterative preorder, remove obsolete BIT_LOCAL_CHANGED
use linked list for deferred drawing to support node batching
remove WORLD_CHANGED flag, replace flag with useZ
fix XForm.product2(): general case
Spatial
use 2d transform as default
allow to skip propagation of bound in updateBoundState
haxe3 fix
add pre multiplied alpha flag
keep tex image alive
haxe3 fix
don't free states if null
only copy pixels if image != power of two
minor