[PATCH] Update Elasticsearch to 2.2.0

[loic.blot at unix-experience.fr]

Hello,

Elasticsearch was updated to version 2.2.0 recently, you will find the PR here:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206918 (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206918)

Can someone review it and push ?

Thanks !