elasticsearch/elasticsearch-ruby — pull request #69 by AaronRustad (2014-05-25 00:12:16+00:00)
Title: [TRANSPORT] Client honors environment variable ELASTICSEARCH_URL 

Allows the Client host/URL to be set via the environment variable ELASTICSEARCH_URL.

Closes: https://github.com/elasticsearch/elasticsearch-rails/issues/82

Related to: https://github.com/elasticsearch/elasticsearch-ruby/issues/60