TODO

   1 Tasks to complete for Web Tricorder:
   2
   3 * Make more sensors work - see https://wiki.mozilla.org/WebAPI
   4 ** Networks (probably need certified app!)
   5 *** Current connection: http://dvcs.w3.org/hg/dap/raw-file/tip/network-api/Overview.html
   6 *** Mobile Networks: https://wiki.mozilla.org/WebAPI/WebMobileConnection
   7 *** WiFi Networks: http://groups.google.com/group/mozilla.dev.webapi/browse_thread/thread/ed980c42261c5f4a
   8 *** Nearby Bluetooth devices: https://wiki.mozilla.org/WebAPI/WebBluetooth
   9 ** Device properties:
  10 *** Battery Status: http://dvcs.w3.org/hg/dap/raw-file/tip/battery/Overview.html
  11 *** Storage: https://github.com/mozilla-b2g/gaia/blob/master/apps/settings/js/app_storage.js
  12 ** Environment:
  13 *** Ambient Light: http://www.w3.org/TR/ambient-light/
  14 *** Proximity: http://www.w3.org/TR/2012/WD-proximity-20120712/
  15 ** Audio / Video analysis
  16 *** histograms, etc.
  17 *** via WebRTC: https://wiki.mozilla.org/Platform/Features/VideoConferencing
  18 * Make output more beautiful