add delay after render, so the screenshot is only made when the scene is rendered completely
add delay after render, so the screenshot is only made when the scene is rendered completely

fmilano/mitk,RabadanLab/MITKats,fmilano/mitk,NifTK/MITK,danielknorr/MITK,danielknorr/MITK,danielknorr/MITK,RabadanLab/MITKats,iwegner/MITK,danielknorr/MITK,NifTK/MITK,MITK/MITK,iwegner/MITK,RabadanLab/MITKats,danielknorr/MITK,fmilano/mitk,fmilano/mitk,NifTK/MITK,RabadanLab/MITKats,MITK/MITK,RabadanLab/MITKats,MITK/MITK,fmilano/mitk,NifTK/MITK,MITK/MITK,iwegner/MITK,fmilano/mitk,NifTK/MITK,iwegner/MITK,iwegner/MITK,iwegner/MITK,fmilano/mitk,danielknorr/MITK,danielknorr/MITK,MITK/MITK,NifTK/MITK,MITK/MITK,RabadanLab/MITKats