Add option to disable sound.
Fix paths in the gallery and allow user to specify multiple SWFs to load in the gallery mode.
Merge.
Merge.
Faster isLazyInitializer check.
Remove some dead code and print out skipped SWF tag names.
Merge pull request #1761 from tschneidereit/master

Small vector optimizations
Somewhat implement getStackTrace() as it was being used in Mode to detect if the SWF is running in debug builds.
Merge pull request #1763 from mbebenita/mode

Misc
Fixes fakeworker postsyncmessage
Merge pull request #1765 from yurydelendik/syncpost

Fixes fakeworker postsyncmessage
Make all Loader methods native

... because the remaining AS3-implemented ones didn't do anything useful, anymore.
Clean up file loading and remove parser thread

The interactions between Loader, ResourceLoader, and Parser were a jungle of epic proportions. This patches turns epic into substantial.
Retire parsing worker

With the previous patch, it's not used anymore.
Add SwfTag name to warning about dropped tags

Reinstated after having been lost to a merge conflict earlier.