* stable-2.12:
Fix log files not being compressed when running in a web container
Update replication plugin
Fix 'is:watched' query hanging issue due to no authenticated user
Bypass hostname verification with sendemail.sslVerify
Clarify in documentation that username cannot be changed
Update 2.12.4 release notes with info about known issue 4323
Update 2.12.4 release notes
Change-Id: I971d2ac9dc145494581e7cc61c13551d5223f178
5f8dd4f43e