Upgraded to JRE8 Update 60.

Upgraded to Elasticsearch 1.7.2.

Added missing tailored run script.

Disabled multicast discovery.

Configuration is now powered by environment variables.

Upgraded to Kubernetes discovery plug-in 1.3.0.
Fixes pires#1

Upgraded to Elasticsearch 1.7.1.

Upgraded to Elasticsearch 1.7.0.

Upgraded to JRE 8 Update 51.

Upgraded to Elasticsearch 1.6.0 and plug-in 1.2.1.

Updated instructions.