OSMF SVN

Removed the DRMSample

Remove unnecessary library.

Added bytes downloaded progress bar.

Created tag sprint7-stable.

Add example of preventing seek behavior through a proxy.

Update namespaces to osmf.org.

Remove some old OVP references.

Adding copyright header.

Restore commented-out integration tests.

Refactoring LayoutRendererBase to no longer use Vector.sort, but a binary search instead. Updating DefaultLayoutRenderer accordingly. Updating and extending unit tests.