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_November 25th, 2015_
The Thanksgiving release.
* Fixed a bug in parsing the start time of containers in some
situations.
* Support specifying the Docker remote API version as a float.
* Ensure that all logging driver options (log_opts) are string/string
pairs, as expected by the Docker remote API (153).
* Add ability to define lifecycle checks at the service level (156).
* Documentation restructuring, switch to Sphinx with reStructuredText
(158).
* Add support for auditor levels to filter out container-level messages
if needed.
* Add Slack auditor to send notifications to Slack.