fixed bug in sensorID assignment: used iterator value instead of actual sensor ID from GEAR
changed example config: GEAR file is located in basepath, not in nativepath (which only stores data files)
fixed path for data files in datura-noDUT tests
Merge pull request #47 from hperrey/use_sensorID

Path fixes for datura-noDUT example and bug fix in cellID assignment in TestFitter