Log Message:
Update sysutils/beats to 6.1.0.

=== Beats version 6.1.0

==== Breaking changes

Auditbeat

- Changed `audit.file.path` to be a multi-field so that path is
  searchable.

Metricbeat

- Rename `heap_init` field to `heap.init` in the Elasticsearch module.
- Rename `http.response.status_code` field to `http.response.code` in
  the HTTP module.

==== Bugfixes

Affecting all Beats

- Remove ID() from Runner interface
- Correctly send configured `Host` header to the remote server.
- Change add_kubernetes_metadata to attempt detection of namespace.
- Avoid double slash when join url and path
- Fix console color output for Windows.
- Fix logstash output debug message.
- Fix isolation of modules when merging local and global field
  settings.

Filebeat

- Add support for adding string tags
- Fix race condition when limiting the number of harvesters running in
  parallel
- Fix relative paths in the prospector definitions.
- Fix `recursive_globe.enabled` option.

Metricbeat

- Change field type of http header from nested to object
- Fix the fetching of process information when some data is missing
  under MacOS X.
- Change `MySQL active connections` visualization title to `MySQL
  total connections`.
- Fix `ProcState` on Linux and FreeBSD when process names contain
  parentheses.
- Fix incorrect `Mem.Used` calculation under linux.

Packetbeat

- Fix http status phrase parsing not allow spaces.
- Fix http parse to allow to parse get request with space in the URI.

Winlogbeat

- Fix the registry file. It was not correctly storing event log names,
  and upon restart it would begin reading at the start of each event log.

==== Added

Affecting all Beats

- Support dashboard loading without Elasticseach
- Changed the hashbang used in the beat helper script from `/bin/bash`
  to `/usr/bin/env bash`.
- Changed beat helper script to use `exec` when running the beat.
- Fix reloader error message to only print on actual error
- Add support for enabling TLS renegotiation.
- Add Azure VM support for add_cloud_metadata processor
- Add `output.file.permission` config option.
- Refactor add_kubernetes_metadata to support autodiscovery
- Improve custom flag handling and CLI flags usage message.
- Add number_of_routing_shards config set to 30
- Set log level for kafka output.
- Move TCP UDP start up into `server.Start()`
- Update to Golang 1.9.2

Auditbeat

- Add support for SHA3 hash algorithms to the file integrity module.
- Add dashboards for Linux audit framework events (overview,
  executions, sockets).

Filebeat

- Add PostgreSQL module with slowlog support.
- Add Kafka log module.
- Add support for `/var/log/containers/` log path in
  `add_kubernetes_metadata` processor.
- Remove error log from runnerfactory as error is returned by API.
- Add experimental Docker `json-file` prospector .
- Add experimental Docker autodiscover functionality.
- Add option to convert the timestamps to UTC in the system module.
- Add Logstash module support for main log and the slow log, support
  the plain text or structured JSON format

Metricbeat

- Add graphite protocol metricbeat module.
- Add http server metricset to support push metrics via http.
- Make config object public for graphite and http server
- Add system uptime metricset.
- Add experimental `queue` metricset to RabbitMQ module.
- Add additional php-fpm pool status kpis for Metricbeat module
- Add etcd module.
- Add ip address of docker containers to event.
- Add ceph osd tree information to Metricbeat
- Add basic Logstash module.
- Add dashboard for Windows service metricset.
- Add experimental Docker autodiscover functionality.
- Add Windows service metricset in the windows module.
- Update gosigar to v0.6.0.

Packetbeat

- Add support for decoding the TLS envelopes.

=== Beats version 6.0.1

==== Bugfixes

Affecting all Beats

- Fix documentation links in README.md files.
- Fix `add_docker_metadata` dropping some containers.

Heartbeat

- Fix the "HTTP up status" visualization.

Metricbeat

- Fix map overwrite in docker diskio module.
- Fix connection leak in mongodb module.
- Fix the include top N processes feature for cases where there are
  fewer processes than N.