[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
[bug 907933] Update settings for ElasticSearch.
Merge pull request #1107 from akatsoulas/907933-elastic

[bug 907933] Update settings for ElasticSearch.
[bug 907933] Update jenkins script and settings for the ElasticSearch.
Merge pull request #1108 from akatsoulas/907933-elastic

[bug 907933] Update jenkins script for the ElasticSearch.
[bug 907933] Do not query twice for public profile IDs.
Merge pull request #1109 from akatsoulas/907933-elastic

[bug 907933] Do not query twice for public profile IDs.
[bug 907933] Update chief script.
Merge pull request #1110 from akatsoulas/907933-elastic

[bug 907933] Update chief script.
Speed up tests by changing hashers.
Merge pull request #1111 from akatsoulas/speedup-tests

Speed up tests by changing hashers.
[Fix bug 1033305] Add management command to delete legacy vouches.
Merge pull request #1112 from johngian/103305-legacy-vouches

Add management command to delete legacy vouches.