Add helper scripts, newest node-font-face-generator

* Add script/process_directory.js which processes files in a directory to go along with connect-fonts conventions.
* Add script/convert_zip.js which unzips a file, runs process_directory.js, and copies resulting files to a target directory.
* Use the newest node-font-face-generator.
Update to use the newest node-font-face-generator.

Move the locale->subdir matching logic to node-font-face-generator. node-font-face-generator now has smart fallbacks that work with Google Font Directory's subset.pl utility.
Add a .jshintrc file.
Respond if fonts have GET parameters on the end of the URL.

fixes #4
Allow fonts to be requested without the locale. Use default locale when no locale specified.

fixes #5
Add an optional "maxage" parameter when setting up the middleware.

fixes #7
Bumb the version number.