Show video feed in browser

[berickson]

Live

• Convert current image(s) to JPEG
  See snippet at https://stackoverflow.com/a/33538510/383967
• Build embedded web server that supports multi-part
  http://github.com/berickson/web-server
• Http endpoint added to car-service
  Based on https://github.com/berickson/car/web-server
• Current image(s) should be streamed as HTML multipart from car-service
• Nginx updated to get images from car-service

Playback - Out of scope (Move to another issue)

• Save timestamped images to path and runs folders
• Index.html updated to have image browsing
• Playback route videos from path and runs
• View images from waypoints from path and runs