ENH: Export a variable from ITKConfig naming the targets file
ENH: Export a variable from ITKConfig naming the targets file

Will be used by SimpleITKConfig, so it may also load the
ITKTargets.cmake file.

Change-Id: If38bbeb30cf4364dbdecfd3031c2e81bb480e46a

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