ENH: clang-format.bash detects clang-format-8 executable
ENH: clang-format.bash detects clang-format-8 executable

Provided by the clang-format-8 Ubuntu package.

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