Low: pgsql: delete include directive if rep_mode is async
Low: pgsql: delete include directive if rep_mode is async

- delete include directive which is add by pgsql RA from
  postgresql.conf if rep_mode is async.
- improve meta-data

asp24/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents