Updated DataStream and DataStreamAudio with ComSmartPtr.
Updated remaining classes except for 'FaceTracker' with ComSmartPtr.
Added ComSmartPtr support to FaceTracker. Extended ComSmartPtr with CopyTo method.
Revert "Added ComSmartPtr support to FaceTracker. Extended ComSmartPtr with CopyTo method."
This reverts commit 9068fd86d92a5221e5e079098dfe16c4ede00d0b.