ENH: Teach KWSys SystemTools about VMS paths
ENH: Teach KWSys SystemTools about VMS paths

This teaches ConvertToUnixSlashes to convert VMS paths into posix-style
paths.  We also set the DECC$FILENAME_UNIX_ONLY feature so the process
always sees posix-style paths on disk.

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