Robotling for HUZZAH32 w/ board v1.2

• 2019-07-17 - Release v1.7
  • hexbug_config.py reorganised (i.e. user section)
  • deepsleep/lightsleep support for HUZZAH32 (ESP32)
  • Support for LSM9DS0 accelerometer/magnetometer/gyroscope added
  • Preparations for MQTT telemetry
  • Tested w/ MicroPython v1.11
  • New "behaviours" added (find light, take naps)
  • Wiki updated and extended
  • Note: This release has not yet been tested with M4 Express Feather (and CircuitPython).