Blickfeld-scanner

Changed
* Bugfix: Update device authentication

Changed
* Doc: Update IMU calibration example

Added
* Doc: Add descriptions and source code of Python and C++ examples
* Python: Example script for IMU calibration
* Protocol: Advanced calibration configuration for static IMU accelerometer offset

Added
* C++: Add clean shutdown method to mockup server
* Automatically wait for successful time synchronization

Removed
* Python: Dropped legacy methods `set_ntp_server` and `get_ntp_server`

Changed
* Protocol: Do not enforce new status fields

Added
* [Introduced in firmware v1.19] Support for on-board IMU stream. Accelerometer and gyroscope data is provided with approx. 1 kHz and synchronized timestamps.
* [Introduced in firmware v1.19] Support for PTPv2 time synchronization
* Protocol: Status message and state of time synchronization

Changed
* Python: Re-worked time synchronization interface. Advanced configuration is used with up-to-date devices.

Removed
* Protocol: Remove advanced `classification_threshold` of background subtraction algorithm