renamed config param
don't avoidCommonSpecialCharacters
no preset value of number_of_shards and number_of_replicas anymore
added X-Real-IP to getClientIp, store http headers as lower case
disable auto-refresh on recent requests dashboard

the problem is, that the rows are collapsing automatically on refresh
@timestamp: timezone = server time zone
elasticsearch index rollover based on UTC timezone
renamed message to callStack in JSON
optionally parse and analyze user-agent header