Increase logstash-elasticsearch-output flush_size default to match logstash 2.1 default
Increase logstash-elasticsearch-output flush_size default to match logstash 2.1 default

logsearch/logsearch-boshrelease,axelaris/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,axelaris/logsearch-boshrelease,logsearch/logsearch-boshrelease,axelaris/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,axelaris/logsearch-boshrelease,logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease