- deploy px4 metadata using target
 - clang scan-build upload output to s3
 - clang-tidy properly check headers
 - add cppcheck helper
 - force gcc color

The spec of the mavlink command MAV_CMD_IMAGE_START_CAPTURE has changed.

There was enough margin with 200 bytes, but this change widens that to the default of 300.
;

This was required on a BOSCH board which otherwise could end up mis-detecting the 055 and not running properly

listener sensor_gyro 1 2

will now print one report of the third gyro (index 2). The syntax needs further polishing, but this is a valid intermediate step.