ENH: reduce default compression level for much faster compression
ENH: reduce default compression level for much faster compression

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