securityonion-elastic: update for Wazuh

[dougburks]

Due to #708 we need to update syslog-ng, logstash, and Kibana to support Wazuh logs in JSON format.

[dougburks]

commits:
Security-Onion-Solutions/securityonion-elastic@a1c4591
Security-Onion-Solutions/securityonion-elastic@ba85f0e
Security-Onion-Solutions/securityonion-elastic@93918df
Security-Onion-Solutions/securityonion-elastic@742fabd
Security-Onion-Solutions/securityonion-elastic@60eaf71
Security-Onion-Solutions/securityonion-elastic@86c1953
Security-Onion-Solutions/securityonion-elastic@80f5d56
Security-Onion-Solutions/securityonion-elastic@a8b50bf
Security-Onion-Solutions/securityonion-elastic@af7d35b
Security-Onion-Solutions/securityonion-elastic@86f402d
Security-Onion-Solutions/securityonion-elastic@2a6f040
Security-Onion-Solutions/securityonion-elastic@3247aad
Security-Onion-Solutions/securityonion-elastic@4945170
Security-Onion-Solutions/securityonion-elastic@9e12450
Security-Onion-Solutions/securityonion-elastic@ed8bb7e
Security-Onion-Solutions/securityonion-elastic@09b233e
Security-Onion-Solutions/securityonion-elastic@84eb644
Security-Onion-Solutions/securityonion-elastic@c782ddc
Security-Onion-Solutions/securityonion-elastic@09382af
Security-Onion-Solutions/securityonion-elastic@8257f3d
Security-Onion-Solutions/securityonion-elastic@776b207
Security-Onion-Solutions/securityonion-elastic@6a83493
Security-Onion-Solutions/securityonion-elastic@fcb6b61

[dougburks]

submitted for testing:
https://groups.google.com/d/topic/security-onion-testing/kfn9Yb3n0xw/discussion

[dougburks]

Published:
https://blog.securityonion.net/2018/10/wazuh-361-elastic-641-and-associated.html