wip new pcb with m2 connector

bugfixes + use pigpio in controller_rc + quieter telemetry

Update README.md

* config and lua cleanup with new Sensor::infos() member. * Better altitude estimation using BMP280. * new GET_CAMERAS_INFOS Controller command. * Add missing files to image builder. * Update openh264 includes.

Add pre-built image to README.md

image generator : fix startup script

add basic config in image builder

Merge branch 'master' of ssh://github.com/dridri/bcflight

add Console interface class + add BrushlessPWM lua instantiation + better LUA<->cpp interop

Update latest build instructions, and reformat Readme.md for consistency (#9) Readme.md reformatting for consistency and latest build instructions