ENG-4415: run sqlcoverage in iv2 mode by default
ENG-4415: run sqlcoverage in iv2 mode by default

simonzhangsm/voltdb,wolffcm/voltdb,migue/voltdb,creative-quant/voltdb,zuowang/voltdb,kobronson/cs-voltdb,migue/voltdb,creative-quant/voltdb,paulmartel/voltdb,creative-quant/voltdb,flybird119/voltdb,VoltDB/voltdb,kobronson/cs-voltdb,simonzhangsm/voltdb,zuowang/voltdb,simonzhangsm/voltdb,creative-quant/voltdb,paulmartel/voltdb,flybird119/voltdb,VoltDB/voltdb,kobronson/cs-voltdb,ingted/voltdb,ingted/voltdb,zuowang/voltdb,creative-quant/voltdb,kobronson/cs-voltdb,deerwalk/voltdb,ingted/voltdb,kobronson/cs-voltdb,simonzhangsm/voltdb,migue/voltdb,flybird119/voltdb,deerwalk/voltdb,kobronson/cs-voltdb,VoltDB/voltdb,creative-quant/voltdb,paulmartel/voltdb,kumarrus/voltdb,ingted/voltdb,wolffcm/voltdb,flybird119/voltdb,paulmartel/voltdb,flybird119/voltdb,deerwalk/voltdb,migue/voltdb,migue/voltdb,deerwalk/voltdb,paulmartel/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,ingted/voltdb,zuowang/voltdb,deerwalk/voltdb,wolffcm/voltdb,ingted/voltdb,simonzhangsm/voltdb,kobronson/cs-voltdb,zuowang/voltdb,deerwalk/voltdb,migue/voltdb,paulmartel/voltdb,paulmartel/voltdb,migue/voltdb,VoltDB/voltdb,VoltDB/voltdb,kumarrus/voltdb,kumarrus/voltdb,wolffcm/voltdb,simonzhangsm/voltdb,kumarrus/voltdb,flybird119/voltdb,zuowang/voltdb,kumarrus/voltdb,wolffcm/voltdb,kobronson/cs-voltdb,VoltDB/voltdb,creative-quant/voltdb,VoltDB/voltdb,ingted/voltdb,zuowang/voltdb,kumarrus/voltdb,wolffcm/voltdb,flybird119/voltdb,deerwalk/voltdb,wolffcm/voltdb,kumarrus/voltdb,ingted/voltdb,deerwalk/voltdb,kumarrus/voltdb,zuowang/voltdb,flybird119/voltdb,wolffcm/voltdb,simonzhangsm/voltdb,migue/voltdb,creative-quant/voltdb