OSMF SVN

Change SerialElement's currentChild to currentChildIndex. The latter is more flexible, particularly for finding the next or previous child.

Some ASDoc fixes. Fix broken syndication unit test.

Updated ASDocs for MediaPlayerSpriteSample.

Minor ASDoc change to MPS.

More updates to logging API:
- Convert interfaces to classes.
- Ensure we're using fully qualified path names for logger categories.
- Fix unit tests.

Updated NetLoader and VideoElement ASDocs to include information about FMTA support.

Updating to work with the latest logging API changes.

Fix for FM-351.

Fixing some event parameters not being forwarded.

Optimizing debugger responsiveness by sending multiple messages to the console in one go periodically, adding a 'pause' button to make inspection easier, and introducing a message type column.