Server tests now shut down the server as well.

This was causing issues with "runaway" Tangelo processes when the build
directory (which contains the PID file) was deleted and rebuilt.
Removed user options to minify/mangle; now generate both unminified and minified files without prompting.
Adding missing minified/nonminified libary files; changing all examples to use minified tangelo loader.
Merge branch 'minification'
Added CDN fallback scripts, modified load scripts to remove themselves from DOM after loading.

Need to add in "clean up after ourselves" mechanism.
Cleanup for loader files.
Moved "loader preamble" into own file - assembled into final file by CMake.
Renamed CDN fallback handler to something more informative.
Added loader script for minified d3.
Added loader scripts and CDN fallback paths for jquery.
Added loader script for bootstrap, and also CDN fallback path.  Also, using standardized 2.3.0 bootstrap files from the CDN locally.
Merge branch 'cdn-fallback'