New gauges, improved UI, remove CDNs

• Add new gauges:
  • Imax, 65mm/70mm, 35mm 3-perf, 35mm 2-perf, 17.5mm
• Improved UI
  • When setting film parameter, remove need to click to focus and enter value
  • Just show input box for each parameter; they all update in concert
• Remove reliance on CDNs for Bulma and Font Awesome

Initial release

Created retroactively to mark completion of basic app functionality.