OSMF SVN

Improvements to the VAST document object model.

disabling NetStreamSwitchable until the Unit tests can be fixed.

Dynamic Streaming Composite Trait.

Handful of fixes to VAST parsing logic, based on VAST sample URL.

Add a few variations of HelloWorld, showing the different ways of adding the DisplayObject to the Sprite.

Removing obsolete files from the VAST lib project.

Removing the obsolete VAST plugin project.

Integrate VAST code into the new VAST library project.

Second attempt at VAST prototype, this time as an AS3 library rather than a plugin. Update MAST implementation to use the new library.

Fix some whitespace issues.