Created new classes and approxomation display

Created classes for cuts, reels and film. Approxomate cuts when keycode
or footage are not available.
major merge of 3 branches

broke off jquery bindings to seperate file, added new test files,
checks for keycode or footage value instead of just the former,
beginning to perform the xml->json in js when file access is available
leaving php for fallback
Merge branch 'master' of https://github.com/sixteenmillimeter/WORKPRINT

Conflicts:
	.DS_Store
	js/workprint.js