FIX (#3382): apply vtkCleanPolyData in mitkSTLFileReader after normal generation in order to merge duplicate vertices.
FIX (#3382): apply vtkCleanPolyData in mitkSTLFileReader after normal generation in order to merge duplicate vertices.


fmilano/mitk,NifTK/MITK,rfloca/MITK,danielknorr/MITK,iwegner/MITK,lsanzdiaz/MITK-BiiG,fmilano/mitk,iwegner/MITK,iwegner/MITK,nocnokneo/MITK,MITK/MITK,lsanzdiaz/MITK-BiiG,MITK/MITK,rfloca/MITK,nocnokneo/MITK,RabadanLab/MITKats,NifTK/MITK,rfloca/MITK,rfloca/MITK,RabadanLab/MITKats,danielknorr/MITK,NifTK/MITK,RabadanLab/MITKats,danielknorr/MITK,rfloca/MITK,danielknorr/MITK,nocnokneo/MITK,rfloca/MITK,MITK/MITK,fmilano/mitk,lsanzdiaz/MITK-BiiG,MITK/MITK,nocnokneo/MITK,MITK/MITK,lsanzdiaz/MITK-BiiG,fmilano/mitk,iwegner/MITK,lsanzdiaz/MITK-BiiG,RabadanLab/MITKats,nocnokneo/MITK,NifTK/MITK,danielknorr/MITK,fmilano/mitk,iwegner/MITK,RabadanLab/MITKats,danielknorr/MITK,RabadanLab/MITKats,lsanzdiaz/MITK-BiiG,nocnokneo/MITK,danielknorr/MITK,fmilano/mitk,fmilano/mitk,iwegner/MITK,MITK/MITK,nocnokneo/MITK,lsanzdiaz/MITK-BiiG,NifTK/MITK,lsanzdiaz/MITK-BiiG,NifTK/MITK,rfloca/MITK