Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 4a2ac263b3a8a0f4116f659f8c02fe255bdc41aa
  - added back missing method in groovy file

    Need to bring back AbstractTaskProcessor.logWorkflowException()
    method because this is being called from a number of groovy files.

    Issue-ID: SO-2172
    Change-Id: Id5dee85fcb48265955dde3d74f7c0f98300410f0
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 47fb69f..4a2ac26 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 47fb69ff7908ae75777a4f0c7e28c198f0e117ae
+Subproject commit 4a2ac263b3a8a0f4116f659f8c02fe255bdc41aa