Update git submodules

* Update plugins/replication from branch 'master'
  to 24bcb95e9cea11a7e7ea93e39e2956c523d28d91
  - Merge branch 'stable-2.15'
    
    * stable-2.15:
      StartCommand: Reformat with google-java-format 1.6
    
    Change-Id: I8375514117f8cf5476400c99973630cd2a931315
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      StartCommand: Reformat with google-java-format 1.6
    
    Change-Id: If85bd54040a37946cbe5aa69a80e43e5feaa6d6c
    
  - StartCommand: Reformat with google-java-format 1.6
    
    Change-Id: I3c3420f9951b8060273d88e5bf2bcacce8266ab6
    

* Update plugins/singleusergroup from branch 'master'
  to ece97dbd5776cf4366c2ff570fdb3e0bf933651c
  - Merge branch 'stable-2.15'
    
    * stable-2.15:
      SingleUserGroupTest: Reformat with google-java-format 1.6
    
    Change-Id: I097cc10a5b53135dbb0acf4dab5e78bf333cef22
    
  - SingleUserGroupTest: Reformat with google-java-format 1.6
    
    Change-Id: Ief2cf8b9370ea5a2b4cc3e578aa2491ac5ac7ace
    
diff --git a/plugins/replication b/plugins/replication
index 5e91925..24bcb95 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 5e91925cfd391898e8e33fd149b9e1a115dafee4
+Subproject commit 24bcb95e9cea11a7e7ea93e39e2956c523d28d91
diff --git a/plugins/singleusergroup b/plugins/singleusergroup
index 45003c4..ece97db 160000
--- a/plugins/singleusergroup
+++ b/plugins/singleusergroup
@@ -1 +1 @@
-Subproject commit 45003c4e290cd29a8695db438ca30302fa0683c7
+Subproject commit ece97dbd5776cf4366c2ff570fdb3e0bf933651c