Merge branch '6010-check-pqsql' into 'master'

replication: add description

See merge request !110

check_psqlserver

@@ -331,6 +331,8 @@ case "${sMode}" in
                 out+=" - backup: This WAL sender is sending a backup.${NL}"
                 out+=" - stopping: This WAL sender is stopping.${NL}"
                 out+=""
+            else
+                out+="OK: all replications have the state 'streaming'.${NL}"
             fi
 
             # --- check: max_leg
@@ -345,6 +347,8 @@ case "${sMode}" in
                 ph.setStatus "warning"
                 descr+=" ... lag warning"
                 out+="WARNING: !!! experimantal !!! a lag larger 1 sec was detected. Maybe a target server is out of sync.'.${NL}"
+            else
+                out+="OK: maximum lag is $MaxLag sec (below 1 sec).${NL}"
             fi
 
             out+=$( echo "${_out}${NL}" | tr '|' ':' )