BUG: test appears to be failing due to 3 pixel being off
BUG: test appears to be failing due to 3 pixel being off

Update ImageRegistration17Test image comparison to accept 5 pixels
being different.

Change-Id: I596b792e81b69b6209484b6df3c96d23ef8f49ba

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