- avoids checking these external .js files into our repo
- limit jQuery*.js versions to single value, mostly the latest but don't
cross over to jQuery.js 2.0.x range (incompatible with IE 6, 7, 8)
- add a couple more exclusions to .gitignore (recent VS additions)
- remove `<ProjectExtensions/>` elements
- update files that don't have the correct output directories
- remove dangling PrecompilationWebSite.kproj file