Add jQuery plugin autosize

- Add plugin files in jQuery directory
- Register script file in boot
- Initialize autosize for all <textarea> tags
Upgrade CSS files

- Fix italic special chars bug in orbit-slider (should also resolve
missing chars in low res)
- Correct <label> tags display
- Set up custom <fieldset> global styles
- Define <textarea> sizing schemes
- Fix shadow bug on text areas error alerts
Files Tidy

- Remove wandering Thumbs.db