snoopy

This release corrects an issue with the Elasticsearch sink losing tags. We expect memory efficiency of the logging subsystem will also be improved. The json_encode filter is now hooked up and the kafka sink has seen its error handling improved.

• 29a6db5 :: Promote MessageTimedOut to an error that will be retried
• c9c6f01 :: json_encode filter configuration
• 1a8fa81 :: Fix the lack of tags in ES sink, introduced in 0.8.13