Log Message:
Updated py-elasticsearch to 1.2.0

1.2.0 (2014-08-03)
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Compatibility with newest (1.3) Elasticsearch APIs.

 * Filter out master-only nodes when sniffing
 * Improved docs and error messages

1.1.1 (2014-07-04)
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Bugfix release fixing escaping issues with `request_timeout`.

1.1.0 (2014-07-02)
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Compatibility with newest Elasticsearch APIs.

 * Test helpers - `ElasticsearchTestCase` and `get_test_client` for use in your
   tests
 * Python 3.2 compatibility
 * Use ``simplejson`` if installed instead of stdlib json library
 * Introducing a global `request_timeout` parameter for per-call timeout
 * Bug fixes