Set the sensor units to rad/s and m/s/s.

Set the desired operation mode after the configuration has been set (when using a calibration file).

The sensor configuration is set when the sensor is first opened, as well as in the config_update() function.

Kinetic migration

See merge request !1

Get the internal driver configuration mode.

Not calibrated messages as DEBUG.

Added functions to get the raw sensor data.
Published all available data depending on the operational mode.

added the tf_prefix and frame_id parameters to the dynamic reconfigure.
Implemented the driver functions.