This patch will update the code to build under 64-bit. The following changes have been made:
* Build under 64-bit
* Fix XCFLayer/XCFContent to be properly endian-safe
* Updated the Xcode project files to Xcode 3.2.
* Rename the Development/Deployment/Default to Debug/Release
* Moved from deprecated Color Management to updated Color Management (may need to be tested)
* Using Clang to compile (including extern inline fix
* Adding xcf UTI to application, and telling it to use that.