.. thanks to Fester for the example file.
.. add some sample files with calibration messages to the test/rides directory .. remove the calibration marker color config (we can add it back if needed, but was in the wrong 'sequence' and is probably just a little bit *too* fine grained).
Test ride file : test/rides/2013_05_15_18_38_30.bin
.. they don't belong in the src directory!
