Update git submodules

* Update plugins/replication from branch 'master'
  to bf19013d9d4b93558eaa015fd3c14c01490e4915
  - Introduce IT for Distributor
    
    This changes adds a basic IT test for Distributor. Puts an event in
    storage and asserts that replication work is done for the same.
    
    Change-Id: I7753af4bdcb6fb6675edc020bfd0f56edf1ae69b
    
diff --git a/plugins/replication b/plugins/replication
index 14766e7..bf19013 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 14766e75f91886ab48951035d59a78c8c3f07471
+Subproject commit bf19013d9d4b93558eaa015fd3c14c01490e4915