mz_histogram benchamark updated
mz_histogram benchamark updated

run two tests: mz_histogram and hdr_histogram

bks7/mzbench,ethercrow/mzbench,alinpopa/mzbench,moigagoo/mzbench,ethercrow/mzbench,bks7/mzbench,avasenin/mzbench,alinpopa/mzbench,avasenin/mzbench,bks7/mzbench,ethercrow/mzbench,alinpopa/mzbench,avasenin/mzbench,bks7/mzbench,ethercrow/mzbench,moigagoo/mzbench,moigagoo/mzbench,avasenin/mzbench,moigagoo/mzbench,alinpopa/mzbench