Update git submodules

* Update plugins/replication from branch 'master'
  to 4efef1d481eefaee287b27488be94f9acb044360
  - Fix warnings introduced in 6673becb41c774b1063e4b18c1821ced049fee2e
    
    Eclipse was complaining about these.
    
    Change-Id: Id253d8ee93207b2a26e26ab4e5d7930cf62f2884
    
diff --git a/plugins/replication b/plugins/replication
index 1b822fa..4efef1d 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 1b822fa63b04596faa93a13df7fcb8682bccb98b
+Subproject commit 4efef1d481eefaee287b27488be94f9acb044360