components.CoReg.GeoArray_CoReg:
- add_mask_bad_data() has been moved to GeoArray class within external library 'py_tools_ds'

components,CoReg.COREG:
- refactored attribute 'confidence_shifts' to 'shift_reliability'
- _get_opt_winpos_winsize(): bugfix for indexing GeoArray with float values
- refactored _calc_shift_confidence() to _calc_shift_reliability()

components,CoReg.CoReg_local:
- adjusted some code in consequence to new mask_baddata attribute within GeoArray
- adopted view_CoRegPoints() to new outlier detection algorithm

components,Geom_Quality_Grid.Geom_Quality_Grid:
- renamed column 'CONFIDENCE' within CoRegPoints_table to 'RELIABILITY'
- revised outlier detection algorithm:
    - _flag_outliers() has been moved to new class 'Tie_Point_Refiner'
    - _ransac_outlier_detection() has been moved to new class 'Tie_Point_Refiner'
    - to_GCPList() adopted to new outlier detection algorithm
- added class class 'Tie_Point_Refiner'

- updated __version__