ElasticSearch 1.7

ElasticSearch v1.7 changes:

Fixed minor phrase issue.

ElasticSearch v1.6 changes:

Now supports ElasticSearch v2.x.

ElasticSearch v1.5 changes:

Fixed size calculation and added status information.

ElasticSearch v1.4 changes:

Added code to support installations where ElasticSearch is not installed on the same server as XenForo.

ElasticSearch v1.3 changes:

Removed requirement for cURL and exec().

ElasticSearch v1.2 changes:

Fixed Size to show MB.

ElasticSearch v1.1 changes:

Updated PHP code to work with newer versions of ElasticSearch.