BUG: Now checking that the extension given by the user is .hdr or .img or .img.gz. Reported by Jia Fucang on the users list.
BUG: Now checking that the extension given by the user is .hdr or .img or .img.gz. Reported by Jia Fucang on the users list.

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