Merge pull request #319 from yurydelendik/melons

Misc fixes to get FLVPlayback started
Handling empty (204) requests
Misc screen capabilities
Merge pull request #320 from yurydelendik/yt-noresponse

Handling noresponse HTTP requests; screen caps
Fixes 'in' for Dictionary
Merge pull request #321 from yurydelendik/dict-4

Fixes 'in' for Dictionary
Moves video tag to NetStream
Merge pull request #322 from mozilla/video-ns

Moves video tag to NetStream
Fixes NetStatusEvent.class.NET_STATUS access
Removes URLVariables.js
Merge pull request #323 from yurydelendik/ref1

Misc refactoring: NetStatusEvent and URLVariables
Refactor sanity tests, moved them to test/
Sanity tests
Merge branch 'master' of https://github.com/mbebenita/shumway into sanity
Allows multiple files for sanity test
Merge pull request #325 from yurydelendik/sanity

Sanity tests
Cleaning up
Implement DOM-free event dispatching.
Add event tests.
Small fixes.