Updated git submodules

Project: so master 8d93387688812e438ed6d3daabba161950fa2a31

SO application deployment issues

There are a few problems here.

1) Hibernate definitions for a few tables don't match the column
   definitions in the MySQL schema scripts.

2) The process engine in MSOInfrastructureBPMN is defined incorrectly.

3) Several bpmn flows have errors that block deployment.

Change-Id: I029238b82736a3d4977fdf56416c5feb2705b041
Issue-ID: SO-557
Signed-off-by: Rob Daugherty <rd472p@att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 6200716..8d93387 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 620071686e06abc1a2e7180e2ff1e010611ef979
+Subproject commit 8d93387688812e438ed6d3daabba161950fa2a31