-Created new OfflineCallibrator to test calibration procedures;
-Several warning message cleanups;
-Corrected ReadingSource and RawReadingSource classes to be compatible
with GPS and Step(?) readings;
-Refactored GPSProcessingAnalyser into AutoGaitModelerAnalyser and
PeakAnalyser into StepAnalyser(and their tests) to be clearer as to what
their purpose is;
-Added AutoGaitModel object to AutoGaitModelerAnalyser to gather
results;