DOC: Document generation of MD5SUMS and SHA512SUMS files for releases
DOC: Document generation of MD5SUMS and SHA512SUMS files for releases

hjmjohnson/ITK,thewtex/ITK,malaterre/ITK,richardbeare/ITK,vfonov/ITK,hjmjohnson/ITK,BRAINSia/ITK,Kitware/ITK,BRAINSia/ITK,malaterre/ITK,malaterre/ITK,vfonov/ITK,malaterre/ITK,LucasGandel/ITK,thewtex/ITK,BRAINSia/ITK,InsightSoftwareConsortium/ITK,hjmjohnson/ITK,richardbeare/ITK,BRAINSia/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,thewtex/ITK,vfonov/ITK,LucasGandel/ITK,LucasGandel/ITK,thewtex/ITK,LucasGandel/ITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,Kitware/ITK,hjmjohnson/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,thewtex/ITK,richardbeare/ITK,Kitware/ITK,hjmjohnson/ITK,hjmjohnson/ITK,thewtex/ITK,richardbeare/ITK,vfonov/ITK,malaterre/ITK,BRAINSia/ITK,Kitware/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,malaterre/ITK,vfonov/ITK,Kitware/ITK,LucasGandel/ITK,malaterre/ITK,LucasGandel/ITK,Kitware/ITK,LucasGandel/ITK,malaterre/ITK,BRAINSia/ITK,richardbeare/ITK,malaterre/ITK,richardbeare/ITK,thewtex/ITK