Upgraded ElasticSearch from 0.19.12 to 0.90.7 and switched to the official deb packages.
Upgraded to Graylog 0.20.0-preview.8.
Fixed some ElasticSearch config to work better with the packaged version's config.
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.
Merge branch 'graylog_0.20.0'
Merge branch 'master' of github.com:rubber/rubber