make the borrow transaction alwasys read ONLY to skip the undo quantum creation in the EE
Remove the duplicates code in constructor by call constructor from constructor
Merge pull request #1641 from VoltDB/ENG-6793-memory

make the borrow transaction alwasys read ONLY to skip the undo quantum c...
Merge branch 'master' into ENG-6815-sqlcmd-insert-into-select
Changes to address Paul's and Izzy's comments; added testing