Merge pull request #7 from jervo/master

Added class/section roster popup html sample page
Site Structure Converted to PHP

- class roster root level page added
- page extension converted to .php
- includes/ directory setup
- jquery merged into core.js
Default font fallback

Added proxima_novalight as default backup font. Fonts are still updated
via Typekit, but this will cover as a backup if Typekit is unavailable.
Fix: footer position

Footer is only fixed position for non-mobile handheld devices.