Adds MON to osm_health script

Change-Id: I8e02c652492741408ba411818d7fb41cc8230ec4
Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>

installers/osm_health.sh

 #!/bin/sh
 
 WAIT_TIME=180  # LCM healthcheck needs 140 senconds
-SERVICES_WITH_HEALTH="nbi ro zookeeper lcm"
+SERVICES_WITH_HEALTH="nbi ro zookeeper lcm mon"
 NUM_SERVICES_WITH_HEALTH=$(echo $SERVICES_WITH_HEALTH | wc -w)
 WAIT_FINAL=30