[bug 907933] Upgrade ElasticUtils to 0.10.2 and elasticsearch-py 1.2.0.

* Add v1.9.1 of urllib3 in vendor-local.
[fix bug 907933] Changes in the codebase for the ElasticSearch upgrade.
Merge pull request #1102 from akatsoulas/907933-elastic

Upgrade ElasticUtils to version 0.10.1