Do not build the multi-label segmentation plugins by default.
Do not build the multi-label segmentation plugins by default.

fmilano/mitk,fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,MITK/MITK,RabadanLab/MITKats,RabadanLab/MITKats,fmilano/mitk,RabadanLab/MITKats,fmilano/mitk,MITK/MITK,fmilano/mitk,MITK/MITK,RabadanLab/MITKats,RabadanLab/MITKats,MITK/MITK,RabadanLab/MITKats,MITK/MITK