Added reset service
Added throttle as a parameter
Conversion of RPY to radian in ENU
Using updateBlocking in initialisation as well
Added reset service necessary for previous commit
Added service to trigger reset and offset reinitialisation.
Added offset parameters and output a value of yaw based on the magnetometer
Added flag to select which fields are initialised
Merge branch 'master' of https://github.com/cedricpradalier/imu_um6

Conflicts:
	nodes/imu_um6_node.py
Added calibration files and small script to fit a circle to them
Removed publishing yaw directly from magnetometer, will do a specific kalman filter for that
Added select everywhere in the reading data.
Merge in Cedric's work.
Add script to extract calibration numbers from data bag.
Minor merge cleanup.
Update gitignore for service.
Make UM6 node a little more robust to serial problems.
Write mag vector into compass on startup when passed by parameter.
Remove commented-out code.