Changes license to Apache v2 and adds headers for the core files
Adds Apache v2 and Public license headers to the key examples
Apache 2 headers for Makefiles, utils and testing framework
Merge pull request #270 from tschneidereit/master

Support for loading image files using AS3's flash.display.Loader
Partially rollbacks #270
Merge pull request #271 from yurydelendik/fix270

Partially rollbacks #270
Merge pull request #272 from tschneidereit/master

Some fixes to image loading
Merge pull request #273 from tschneidereit/master

Remove YouTube-specific workaround for not properly handling empty http request results
Add test case.
Use defining script instead of findProperty in the inferrer.
Implements astypelate in the verifier, optimizes callPropX.
Sorts counters in the inspector.
Don't trigger script execution when compiling instance constructors.
Accessibility stubs.
Clean up coercions in IR builder.
Mark instance initializers.
Fixes costly mistake, always use Object.create(null) ...
Clean up get/set property.
Clean up deleteProperty
Empty object refactoring.