Removed duplicate references in the Xcode project. Removed obsolete build settings in the Xcode project.

Code refactoring to leverage a common Snow Leopard toolkit for graphics and media, used throughout a series of samples that include QTCoreVideo102, QTCoreVideo103, QTCoreVideo201, and Denoise.

Performance improvement with movie pixel buffersand streaming textures.

Demonstrates how to render a QuickTime Movie using OpenGL PBO and the Core Video pixel buffer pipeline.