DOC: statistics filter changes for ITKv5
DOC: statistics filter changes for ITKv5

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