Fixes dependency not being cleaned by keeping the uavcan artifacts in th...

Change to V2 spec of param meta data

Had to switch to ElementTree to get attribute support

Add version number to parameter meta data

Parameter meta data fixes

Store parameter xml size in .px4 file

This is needed in order to decompress in QGroundControl

navigator: Get rid of audio tag in strings and use appropriate priority to get audio out when needed in the GCS

Geofence max horizontal and vertical distance

timesync: Add uORB topic, general fixes

-changes GF_ON to GF_MODE
-adds GF_MAX_HOR_DIST and GF_MAX_VER_DIST params

Store the port so the in use port will be referenced when reopening.

fixed publication of mixer limit flags

Limit auto roll/pitch rates

simulator repository was renamed

sd card boot: Focus on card reliability, as wider adoption identifies corrupted card to be still a common problem

UBlox GNSS driver improvements

batt_smbus: add ioctl to return batt capacity