* Update plugins/replication from branch 'master'
- Merge branch 'stable-2.13'
* stable-2.13:
Make SearchingChangeCacheImpl nullable when replicating from slave
Change-Id: I0d23a61100350239432d8eeb701483afe0625fb6
- Make SearchingChangeCacheImpl nullable when replicating from slave
SearchingChangeCacheImpl should be nullable in slave mode.
Change-Id: If22407565f44e7ed201e57d7d3b7b9a51f20b5bc