Core: add code to handle magnetometer messages
Android: Widget to plot magnetometer data
Android: Plot magnetometer data in calibration screen
Android: Improve scatter plot graphics
Library: Add EllipsoidFit library from https://github.com/KEOpenSource/EllipsoidFit
Desktop: Partialy implement the handler code on the desktop logic
Magnetometer: Use the EllipsoidFit library to create calibration parameters for the magnetometer
Core: Extracting magnetometer calibration code to a new classs
Magnetometer: Move magnetometer class to inside the CORE project
Android: Execute the magnetometer calibration on the App
Magnetometer: Add a function to estimate the quality of the MagCal
Core: Write a better log output for the mag cal.
Magnetometer: Making the calibration more stringent
Desktop: Implementing an UI for the magnetometer calibration.
Magnetometer: Extracted an interface for the UI from the core mag calibration class
Desktop: Fix possible NPE
Desktop: Draw a better UI for the magnetometer calibration
Desktop: Show the estimated ellipse in the mag. cal.
Library: Extracted apache commons-math library, and trimmed unused classes
Android: Log results from the mag. cal.