FIX: memory leaks.  base node class needed destructor
FIX: memory leaks.  base node class needed destructor

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