Fix QuadTree subdivision.
Merge pull request #731 from tobeytailor/quadtree

Fix QuadTree subdivision.
Reduces memory usage during mp3 stream parsing
apply blend mode changes imposed by placeObject tags
Merge pull request #733 from claus/blendmode

Apply blend mode changes imposed by placeObject tags
Fix bounding box for morph shapes
Make sure moveTos are applied to morph in all cases
Bugfixes in processing of morphShape data
Merge pull request #735 from tschneidereit/master

MorphShape fixes
Parse fractional part of framerate instead of ignoring it
Fix linter warning
Merge pull request #736 from tschneidereit/master

Parse fractional part of framerate instead of ignoring it
Invalidate children in pre rendering phase.
Store concatenated transform per element.
Make _applyCurrent(Inverse)Transform accept multiple points as arguments.
Only invalidate constructed objects.
Merge pull request #737 from tobeytailor/display

Misc perf improvements
Add Turbo Mode.
Updates Landing Page.
Merge pull request #739 from mbebenita/master

Landing Page