Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 4b5bf1b5bbee86cfc3efedb5be78e797c697f7c5
  - Merge "Remove triple logging of VNF adapter response"
  - Remove triple logging of VNF adapter response

    Remove triple logging of VNF adapter response to bpel

    Change-Id: Ia8f3d3b9b76616e9dcc9f638ba5ca58dcac3ab8b
    Issue-ID: SO-1863
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index bb79b68..4b5bf1b 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit bb79b68af3c008a6f490d0c1dc5bd7861b456faf
+Subproject commit 4b5bf1b5bbee86cfc3efedb5be78e797c697f7c5