ENG-3508 Demote REJOIN console messages to reduce noise.
ENG-3508 Demote REJOIN console messages to reduce noise.

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