Increase the Elasticsearch service timeout
Increase the Elasticsearch service timeout

On some slow system with recent version of
Elasticsearch we saw that the service
becomes ready after more than 1 minute.

Change-Id: Id2b21ab24a96d10fffdcccd652a7d3ec4e8ce39c

openstack-dev/devstack,nawawi/openstack,noironetworks/devstack,openstack-dev/devstack,group-policy/devstack,dtroyer/devstack,noironetworks/devstack,dtroyer/devstack,group-policy/devstack,nawawi/openstack