FIX: Moved the clearing of the m_Updating flag until the very end of the UpdateOutputData().  A VTK user contributed this fix to VTK.  The user was having a problem with the pipeline when attaching a GUI to a VTK pipeline.  Anticipating similar problems for ITK, I put the change in here as well.
FIX: Moved the clearing of the m_Updating flag until the very end of the UpdateOutputData().  A VTK user contributed this fix to VTK.  The user was having a problem with the pipeline when attaching a GUI to a VTK pipeline.  Anticipating similar problems for ITK, I put the change in here as well.

hendradarwin/ITK,fedral/ITK,cpatrick/ITK-RemoteIO,atsnyder/ITK,heimdali/ITK,hendradarwin/ITK,wkjeong/ITK,fbudin69500/ITK,CapeDrew/DCMTK-ITK,itkvideo/ITK,rhgong/itk-with-dom,atsnyder/ITK,InsightSoftwareConsortium/ITK,fuentesdt/InsightToolkit-dev,thewtex/ITK,rhgong/itk-with-dom,daviddoria/itkHoughTransform,jmerkow/ITK,LucHermitte/ITK,fedral/ITK,hjmjohnson/ITK,LucHermitte/ITK,stnava/ITK,daviddoria/itkHoughTransform,itkvideo/ITK,hjmjohnson/ITK,zachary-williamson/ITK,msmolens/ITK,LucasGandel/ITK,PlutoniumHeart/ITK,malaterre/ITK,biotrump/ITK,ajjl/ITK,paulnovo/ITK,PlutoniumHeart/ITK,biotrump/ITK,LucasGandel/ITK,vfonov/ITK,richardbeare/ITK,heimdali/ITK,eile/ITK,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,atsnyder/ITK,Kitware/ITK,fbudin69500/ITK,LucHermitte/ITK,PlutoniumHeart/ITK,jcfr/ITK,CapeDrew/DITK,jmerkow/ITK,vfonov/ITK,jmerkow/ITK,LucasGandel/ITK,zachary-williamson/ITK,atsnyder/ITK,fuentesdt/InsightToolkit-dev,BRAINSia/ITK,stnava/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,cpatrick/ITK-RemoteIO,hjmjohnson/ITK,CapeDrew/DITK,Kitware/ITK,BlueBrain/ITK,thewtex/ITK,fbudin69500/ITK,GEHC-Surgery/ITK,hinerm/ITK,richardbeare/ITK,thewtex/ITK,paulnovo/ITK,Kitware/ITK,jcfr/ITK,ajjl/ITK,fedral/ITK,fedral/ITK,richardbeare/ITK,thewtex/ITK,paulnovo/ITK,blowekamp/ITK,spinicist/ITK,itkvideo/ITK,cpatrick/ITK-RemoteIO,biotrump/ITK,hinerm/ITK,InsightSoftwareConsortium/ITK,hinerm/ITK,vfonov/ITK,BRAINSia/ITK,ajjl/ITK,GEHC-Surgery/ITK,malaterre/ITK,InsightSoftwareConsortium/ITK,rhgong/itk-with-dom,paulnovo/ITK,fbudin69500/ITK,malaterre/ITK,itkvideo/ITK,daviddoria/itkHoughTransform,fuentesdt/InsightToolkit-dev,itkvideo/ITK,PlutoniumHeart/ITK,hendradarwin/ITK,jmerkow/ITK,biotrump/ITK,wkjeong/ITK,CapeDrew/DCMTK-ITK,hinerm/ITK,msmolens/ITK,richardbeare/ITK,Kitware/ITK,CapeDrew/DITK,richardbeare/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,CapeDrew/DCMTK-ITK,stnava/ITK,eile/ITK,zachary-williamson/ITK,hendradarwin/ITK,hinerm/ITK,stnava/ITK,rhgong/itk-with-dom,rhgong/itk-with-dom,spinicist/ITK,blowekamp/ITK,rhgong/itk-with-dom,itkvideo/ITK,CapeDrew/DCMTK-ITK,heimdali/ITK,CapeDrew/DITK,heimdali/ITK,paulnovo/ITK,GEHC-Surgery/ITK,hjmjohnson/ITK,cpatrick/ITK-RemoteIO,atsnyder/ITK,fbudin69500/ITK,fedral/ITK,fbudin69500/ITK,CapeDrew/DITK,CapeDrew/DITK,zachary-williamson/ITK,itkvideo/ITK,rhgong/itk-with-dom,ajjl/ITK,wkjeong/ITK,ajjl/ITK,daviddoria/itkHoughTransform,biotrump/ITK,spinicist/ITK,spinicist/ITK,LucHermitte/ITK,heimdali/ITK,malaterre/ITK,hendradarwin/ITK,zachary-williamson/ITK,PlutoniumHeart/ITK,fedral/ITK,jmerkow/ITK,blowekamp/ITK,daviddoria/itkHoughTransform,zachary-williamson/ITK,BlueBrain/ITK,LucHermitte/ITK,blowekamp/ITK,jcfr/ITK,stnava/ITK,vfonov/ITK,hjmjohnson/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,fuentesdt/InsightToolkit-dev,eile/ITK,CapeDrew/DCMTK-ITK,daviddoria/itkHoughTransform,BlueBrain/ITK,atsnyder/ITK,msmolens/ITK,fbudin69500/ITK,eile/ITK,vfonov/ITK,stnava/ITK,Kitware/ITK,blowekamp/ITK,jmerkow/ITK,BlueBrain/ITK,GEHC-Surgery/ITK,PlutoniumHeart/ITK,GEHC-Surgery/ITK,LucHermitte/ITK,malaterre/ITK,atsnyder/ITK,cpatrick/ITK-RemoteIO,cpatrick/ITK-RemoteIO,CapeDrew/DCMTK-ITK,itkvideo/ITK,biotrump/ITK,malaterre/ITK,biotrump/ITK,hjmjohnson/ITK,blowekamp/ITK,LucasGandel/ITK,Kitware/ITK,atsnyder/ITK,spinicist/ITK,ajjl/ITK,atsnyder/ITK,richardbeare/ITK,spinicist/ITK,BlueBrain/ITK,jcfr/ITK,hinerm/ITK,stnava/ITK,vfonov/ITK,msmolens/ITK,spinicist/ITK,wkjeong/ITK,hjmjohnson/ITK,BlueBrain/ITK,paulnovo/ITK,blowekamp/ITK,msmolens/ITK,eile/ITK,thewtex/ITK,wkjeong/ITK,wkjeong/ITK,rhgong/itk-with-dom,wkjeong/ITK,eile/ITK,hinerm/ITK,BRAINSia/ITK,paulnovo/ITK,daviddoria/itkHoughTransform,hendradarwin/ITK,CapeDrew/DITK,spinicist/ITK,vfonov/ITK,BlueBrain/ITK,stnava/ITK,eile/ITK,fedral/ITK,malaterre/ITK,jmerkow/ITK,jcfr/ITK,hendradarwin/ITK,cpatrick/ITK-RemoteIO,GEHC-Surgery/ITK,fuentesdt/InsightToolkit-dev,eile/ITK,spinicist/ITK,wkjeong/ITK,CapeDrew/DCMTK-ITK,LucasGandel/ITK,zachary-williamson/ITK,Kitware/ITK,itkvideo/ITK,jmerkow/ITK,jcfr/ITK,fuentesdt/InsightToolkit-dev,msmolens/ITK,daviddoria/itkHoughTransform,cpatrick/ITK-RemoteIO,CapeDrew/DITK,CapeDrew/DITK,fbudin69500/ITK,ajjl/ITK,ajjl/ITK,heimdali/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,hendradarwin/ITK,PlutoniumHeart/ITK,msmolens/ITK,thewtex/ITK,hinerm/ITK,BRAINSia/ITK,msmolens/ITK,jcfr/ITK,malaterre/ITK,LucHermitte/ITK,vfonov/ITK,BRAINSia/ITK,CapeDrew/DCMTK-ITK,GEHC-Surgery/ITK,blowekamp/ITK,BRAINSia/ITK,daviddoria/itkHoughTransform,heimdali/ITK,heimdali/ITK,hinerm/ITK,malaterre/ITK,richardbeare/ITK,fedral/ITK,fuentesdt/InsightToolkit-dev,GEHC-Surgery/ITK,paulnovo/ITK,thewtex/ITK,PlutoniumHeart/ITK,jcfr/ITK,stnava/ITK,BlueBrain/ITK,eile/ITK,LucHermitte/ITK,fuentesdt/InsightToolkit-dev,CapeDrew/DCMTK-ITK,zachary-williamson/ITK