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
Copy extra files.
Create mozcentral build utils.
Share and resuse point instances.
Skip calculation of graphics bounds if bbox is given.
Remove unnecessary code.
Merge pull request #741 from yurydelendik/mozcentral

Create mozcentral build util
Add shumway.turboMode pref.
Fix typo.
Merge pull request #742 from mbebenita/master

Add about:config pref.
Merge pull request #738 from tobeytailor/display

More DisplayObject refactoring
Temporary workaround for bug 920927, which makes the Firefox extension not show content when Ask To Activate is active for Flash