set resolver timeout to 1 second

rational: when offline or when network connectivity fails, the resolver takes
forever trying to reach unreachable nameservers. This gums up anything using
the resolver synchronously.
suppress cron reports from /etc/cron.daily/mysqloptimize
conf/pgsql and overlay/pgsql fix: instead of relying on username su to postgres user
Merge remote branch 'liraz/master'

Conflicts:
	conf/pgsql