components.CoReg_local.COREG_LOCAL:
- view_CoRegPoints():
    - added keyword 'return_map'
    - revised size of major ticks
    - added separate color coding for attribute2plot='ANGLE'
    - added legend

components.io:
- write_shp(): now also accepts EPGS codes

components.Tie_Point_Grid.Tie_Point_Grid:
- added calc_rmse()
- added calc_overall_mssim()
- added plot_shift_distribution()
- to_vectorfield(): fix for not properly setting output fill value

 components.Tie_Point_Grid.Tie_Point_Refiner:
 - run_filtering() fix for always appendinf 'L3_OUTLIER'

updated __version__