Get data from event in the radio read handler.
Disable debug printing in radio.js
Allow extra disconnects in radio.js
Extract xbee payload in radio.js
Undo PiEMOS framing in radio.js
Fix Angel-Player freeze in radio.js
Add very basic telemetry -- track all code compiled
Make newlib malloc correctly use FreeRTOS mutexes
Refactor runtime libraries into two phases; Change game library

* One phase will load before the native libraries; the other loads after
* game library does not contain fields directly any more, it contains
  functions that return the game state/color signal. In order to not do
  this, the game library would have to load after runtime init returns
  and the external user registers its functions.
* Refactored metatable hack out of actuators
Remove "interesting" background
Only send xbee payloads of 100 bytes.
Initial hooking up of simulator and Lua runtime
Wrap lightuserdata in js_to_lua
Hook up enough functions for a dummy actuator
Hook up simulator rangefinder
Hook up motors in simulator
Make ndl3 free erroneous packets.
Fixed ubjson.lua decoding.
Reimplement pieles module so that it works with ubjson

Also hooked up with simulator.
Fix emscripten not building asm.js