* Clean up signed/unsigned comparison warnings
* Clean up deprecated function warnings
* Enable XP visual themes in the properties dialog (the AdditionalManifestDependencies entry in ApplewinExpress9.00.vcproj)
* Clean up of settings property sheet:
** Correct tab order
** Add/correct keyboard shortcuts
** Adjust layout (slightly; most dramatic on first tab)
** Retitle a few controls for improved readability
** Tweaked the spin controls to be right aligned
