Tests pass on Mac OS X 10.4 PPC. - Added new source files - The target is now convert_test instead of syncfiles, because that's what it is - Header search paths moved to project settings instead of target settings
The use of Carbon turns out to be less useful than originally thought, so it makes sense to remove it.
Test passes on Mac OS X 10.4 again.
Add an Xcode 2.5 project, and define USE_CARBON for Mac OS X testing. Tested on Mac OS X 10.4.
