OSMF SVN

Disabled parser tests until they can be updated

Chaned dynamic streaming asset back to pointing to akamai.

Added samples for Manifest feature, bug fix for dynamic streaming.

Latest manifest changes, and unit test updates to reflect changes, and keep code coverage.

Unit tests: moving the utility functions assertThrows, and assertDispatches into a TestCaseEx class.

Adding a unit test for FacetGroup.

Adding header and ASDocs.

Following up on composite metadata code review feedback.

Remove IMediaTrait.

Adding unit test for CompositeMetadataEvent.