Proper merge of metric groups in normalize function
Proper merge of metric groups in normalize function

MrAlone/mzbench,MrAlone/mzbench,machinezone/mzbench,machinezone/mzbench,MrAlone/mzbench,timofey-barmin/mzbench,timofey-barmin/mzbench,MrAlone/mzbench,machinezone/mzbench,machinezone/mzbench,MrAlone/mzbench,timofey-barmin/mzbench,timofey-barmin/mzbench,machinezone/mzbench,timofey-barmin/mzbench