Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7e070b202cd8a109e7254854a23de33f91dc0522
  - Merge "Exception string in checkRelationshipRelatedTo"
  - Exception string in checkRelationshipRelatedTo

    Exception string in checkRelationshipRelatedTo not being returned
    properly. Added a new exception - UnassignNetworkException.
    Added a new unit test to test the exception case as per review comment.
    Updated UnassignNetworkBBTest.java file to fix the formatting errors.
    Updated unit test , removed setVariable, it wasn't needed to do as it
    was performed in the actual method call.
    Updated pom.xmp  file to fix the formatting errors.
    Updated pom.xml file to fix the formatting errors.

    Issue-ID: SO-2346
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I617dfbcb07d6080598a3ef8138aad5c7008dcee2

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a2fd007..7e070b2 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a2fd007e4d1b03f7258d71fa86658510ff2f1790
+Subproject commit 7e070b202cd8a109e7254854a23de33f91dc0522