move private postgresmgr methods on to the prototype so they do not pollute the global namespace
move private postgresmgr methods on to the prototype so they do not pollute the global namespace

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