Fix errors in the elastestservice.json (#33)
Fix errors in the elastestservice.json (#33)

- Modified the docker-compose in the manifest section. Removed ports definition and container name.
- Changed the endpoints names to match with the services names into the the docker-compose.
- Moved Beats API from elasticsearch endpoint to ems endpoint.
- Modified wrong ports (9090-->9200).
fgorostiaga/elastest-monitoring-service,fgorostiaga/elastest-monitoring-service,fgorostiaga/elastest-monitoring-service,fgorostiaga/elastest-monitoring-service