Update git submodules

* Update plugins/replication from branch 'stable-2.16'
  to d5170016dbb9db03f686c2a6f4994295b685aeb8
  - First ReplicationIT test for new project and change
    
    Test end-to-end that a new project and a new change are propagated
    to the replicated repository.
    
    Change-Id: Iea4170aa881757c7e29bc6237fe4c230da8ae0ec
    
diff --git a/plugins/replication b/plugins/replication
index 24ae862..d517001 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 24ae8627fef3aef243e8e22c30901617f724ad4c
+Subproject commit d5170016dbb9db03f686c2a6f4994295b685aeb8