Merge pull request #522 from mbebenita/runtime

Fix assertion, small refactoring.
Fixes avm1 rollover events
Merge pull request #524 from yurydelendik/rollover

Fixes avm1 rollover events
allow containers as clipping mask

needs lots of tests
fixes problem with blendmodes

animations in higher depths were cancelling out the blend, leading to artefacts in the blended DO.
Merge pull request #529 from claus/fix-blendmode

Fixes problem with blendmodes
Merge pull request #527 from claus/feature-mcmasks

Allow containers as clipping mask
Don't wrap on prevFrame/nextFrame
Merge pull request #530 from yurydelendik/dont-wrap

Don't wrap on prevFrame/nextFrame
Removes sandboxing from the extension
Merge pull request #516 from yurydelendik/toiframe

[WIP] Removes sandboxing from the extension
fixes issue with bgcolor being reset to white

in some cases (e.g. main timeline starts with empty frames), the background color was reset to solid white
Adds _gotoButtonState to the Sprite
Merge pull request #532 from yurydelendik/sprite-button

Adds _gotoButtonState to the Sprite
Timeouts with test name
Merge pull request #533 from yurydelendik/currenttest

Timeouts with test name
fixes bad check for undefined
Merge pull request #531 from claus/fix-bgcolor

Fixes issue with bgcolor being reset to white
implements MovieClip::nextScene() and ::prevScene()
tests for Movieclip::nextScene() and ::prevScene()