FIX (#2978): member vars m_DeleteObserverTag and m_ModifiedObserverTag are now reverted back to -1 in OnObjectDelete to allow new observers to be registered for itk::DeleteEvent objects
FIX (#2978): member vars m_DeleteObserverTag and m_ModifiedObserverTag are now reverted back to -1 in OnObjectDelete to allow new observers to be registered for itk::DeleteEvent objects


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