Removed a junk character that should never have been committed.
New default config item from upstream ElasticSearch.
Upgraded to Graylog2 0.20.0-rc1.1 and ElasticSearch 0.9.10.
Remove the elasticsearch-head plugin before attempting to reinstall it, otherwise things get bad.
Syncing upstream default config file changes for Graylog2 and ElasticSearch.