DOC: Index Sphinx examples in Doxygen.
DOC: Index Sphinx examples in Doxygen.

The Sphinx examples are indexed by doxygen in the "Examples" tab and
are automatically cross-indexed in all the classes that they use.

ITK-3309.

Change-Id: Ic285cea7e65c348e9a978205c11d9684015acfc6

vfonov/ITK,atsnyder/ITK,hjmjohnson/ITK,jcfr/ITK,malaterre/ITK,LucasGandel/ITK,richardbeare/ITK,Kitware/ITK,blowekamp/ITK,heimdali/ITK,fedral/ITK,InsightSoftwareConsortium/ITK,malaterre/ITK,LucHermitte/ITK,LucHermitte/ITK,fedral/ITK,jmerkow/ITK,LucHermitte/ITK,Kitware/ITK,PlutoniumHeart/ITK,msmolens/ITK,hjmjohnson/ITK,jcfr/ITK,biotrump/ITK,jcfr/ITK,zachary-williamson/ITK,fbudin69500/ITK,Kitware/ITK,hjmjohnson/ITK,BlueBrain/ITK,LucHermitte/ITK,stnava/ITK,blowekamp/ITK,fbudin69500/ITK,LucasGandel/ITK,Kitware/ITK,stnava/ITK,PlutoniumHeart/ITK,thewtex/ITK,PlutoniumHeart/ITK,blowekamp/ITK,jcfr/ITK,atsnyder/ITK,richardbeare/ITK,biotrump/ITK,atsnyder/ITK,hendradarwin/ITK,atsnyder/ITK,fbudin69500/ITK,zachary-williamson/ITK,ajjl/ITK,biotrump/ITK,ajjl/ITK,heimdali/ITK,LucasGandel/ITK,jmerkow/ITK,thewtex/ITK,ajjl/ITK,stnava/ITK,blowekamp/ITK,PlutoniumHeart/ITK,vfonov/ITK,spinicist/ITK,hendradarwin/ITK,spinicist/ITK,malaterre/ITK,BRAINSia/ITK,stnava/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,hjmjohnson/ITK,ajjl/ITK,BRAINSia/ITK,thewtex/ITK,LucHermitte/ITK,blowekamp/ITK,jcfr/ITK,blowekamp/ITK,heimdali/ITK,jmerkow/ITK,richardbeare/ITK,BRAINSia/ITK,zachary-williamson/ITK,zachary-williamson/ITK,thewtex/ITK,fedral/ITK,fedral/ITK,fbudin69500/ITK,hendradarwin/ITK,malaterre/ITK,vfonov/ITK,ajjl/ITK,PlutoniumHeart/ITK,jmerkow/ITK,vfonov/ITK,stnava/ITK,jmerkow/ITK,atsnyder/ITK,hendradarwin/ITK,fedral/ITK,BlueBrain/ITK,spinicist/ITK,LucasGandel/ITK,spinicist/ITK,Kitware/ITK,jcfr/ITK,BRAINSia/ITK,zachary-williamson/ITK,ajjl/ITK,Kitware/ITK,stnava/ITK,fedral/ITK,msmolens/ITK,fbudin69500/ITK,malaterre/ITK,InsightSoftwareConsortium/ITK,stnava/ITK,msmolens/ITK,fedral/ITK,zachary-williamson/ITK,richardbeare/ITK,blowekamp/ITK,PlutoniumHeart/ITK,fbudin69500/ITK,heimdali/ITK,richardbeare/ITK,spinicist/ITK,biotrump/ITK,BlueBrain/ITK,hendradarwin/ITK,msmolens/ITK,stnava/ITK,InsightSoftwareConsortium/ITK,BlueBrain/ITK,zachary-williamson/ITK,jcfr/ITK,thewtex/ITK,malaterre/ITK,malaterre/ITK,fedral/ITK,hendradarwin/ITK,biotrump/ITK,vfonov/ITK,blowekamp/ITK,msmolens/ITK,atsnyder/ITK,msmolens/ITK,hendradarwin/ITK,BlueBrain/ITK,vfonov/ITK,thewtex/ITK,PlutoniumHeart/ITK,heimdali/ITK,InsightSoftwareConsortium/ITK,heimdali/ITK,LucHermitte/ITK,atsnyder/ITK,LucasGandel/ITK,LucHermitte/ITK,heimdali/ITK,vfonov/ITK,jmerkow/ITK,BRAINSia/ITK,PlutoniumHeart/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,richardbeare/ITK,LucasGandel/ITK,biotrump/ITK,BRAINSia/ITK,malaterre/ITK,jcfr/ITK,BlueBrain/ITK,vfonov/ITK,spinicist/ITK,BRAINSia/ITK,jmerkow/ITK,LucHermitte/ITK,BlueBrain/ITK,atsnyder/ITK,ajjl/ITK,LucasGandel/ITK,fbudin69500/ITK,stnava/ITK,Kitware/ITK,biotrump/ITK,heimdali/ITK,LucasGandel/ITK,hjmjohnson/ITK,msmolens/ITK,hjmjohnson/ITK,malaterre/ITK,richardbeare/ITK,jmerkow/ITK,hendradarwin/ITK,spinicist/ITK,zachary-williamson/ITK,msmolens/ITK,atsnyder/ITK,spinicist/ITK,fbudin69500/ITK,spinicist/ITK,BlueBrain/ITK,InsightSoftwareConsortium/ITK,ajjl/ITK,zachary-williamson/ITK,vfonov/ITK,thewtex/ITK