Main changes:
- de0acb1 Upgrades to logstash 2.3.1, and resolves manticore connectivity issues (#3)
- 9434243 Adds retry-capability. If one batch fails, each document will be retried one by one. This is on by default.
This version of the plugin is available to install from rubygems.org directly from logstash using bin/logstash-plugin install logstash-output-json_batch