Merge branch 'stable-2.14'
* stable-2.14:
Fix race condition when removing changeId/accountId locks
Allow to configure own URL instead of relying on httpd.listenUrl
ConfigurationTest: Use a valid URL for test URL value
RestForwarder: Remove redundant logRetry method
Extend debug logging
Setup: Fix typo in method name
Option to setup a copy of the master site during init
Use Java 8's Optional instead of Guava's
Upgrade wiremock to 2.8.0
Upgrade mockito-core to 2.9.0
Add support for forwarding cache eviction for custom caches
Allow to discover peers with JGroups
Update bazlets to latest revision to build with API version 2.14.3
Move cache pattern test from CacheEvictionIT to ConfigurationTest
CacheRestApiServletTest: Add missing verifyResponseIsOK in evictGroupsMembers
CacheEvictionHandler: Factor cache name pattern matching to own class
Change-Id: I89f6007ea98e49a8ca32beb6cf79209b0dd6d347