Deploy elastic-recheck on logstash.openstack.org.

This elastic recheck thing that classifies failures based on logstash
queries is awesome. We should run it on the OpenStack developer
infrastructure. Deploy it on logstash.o.o to keep related services
together.

Change-Id: I16ae7a32c2c48474454df17931779d0f60c3ed85
Merge "Deploy elastic-recheck on logstash.openstack.org."