Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 1196db4be81e49b8282908e76c6f0f72a29ccb9f
  - Merge "vrfvalidation exceptions not getting logged"
  - vrfvalidation exceptions not getting logged

    Remove unused imports in VrfValidation class
    Check for null AAI network and vpn-bindings. Do not catch exceptions in
    WorkflowAction.traverseVrfCondifuration. Propagate exceptions and let
    calling method selectExecutionList() handle exceptions.

    Change-Id: I26adfdb351cee6dc111f496901558340b8152a2a
    Issue-ID: SO-1988
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index e840e62..1196db4 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit e840e62a5b19755134fc036ab0e3bcbaa06b74c1
+Subproject commit 1196db4be81e49b8282908e76c6f0f72a29ccb9f