MANTA-375 minor refactoring of postgresMgr.js
MANTA-375 minor refactoring of postgresMgr.js

josephglanville/manatee,GrimDerp/manatee,GrimDerp/manatee,joyent/manatee,josephglanville/manatee,AmlingPalantir/manatee,AmlingPalantir/manatee,joyent/manatee