* updating usage of http2_protocol_options and access_log_path
* add changelog
* update template for AdminAccessLogConfig
* remove mucking with AdminAccessLogConfig
* Set default of 1m for StatsFlushInterval when the collector is setup
* Add documentation on the stats_flush_interval value
* Do not default in two conditions 1) preconfigured sinks exist 2) preconfigured flush interval exists
* Fix wording of docs
* Add changelog
* Fix docs