Set catalog compaction via a flag

To protect us against complaints during upgrades, set catalog compaction
via a flag (that currently defaults to false).

Change-Id: Ide0da8c3a377d2a11199b0c6c22465eea438f286
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/3975
Reviewed-by: Lenni Kuff <lskuff@cloudera.com>
Tested-by: jenkins