chore(ant): add elasticsearch download / add os awareness
chore(ant): add elasticsearch download / add os awareness

camunda/camunda-bpm-elasticsearch,nagyistoce/camunda-bpm-elasticsearch,nagyistoce/camunda-bpm-elasticsearch,nagyistoce/camunda-bpm-elasticsearch,camunda/camunda-bpm-elasticsearch,nagyistoce/camunda-bpm-elasticsearch,camunda/camunda-bpm-elasticsearch,camunda/camunda-bpm-elasticsearch