Updated git submodules

Project: so master 72dc422f8ff2924ec43ad036e47f58ad43e42473

Merge "Remove aria-rest from the build - merge job fails"

Remove aria-rest from the build - merge job fails

The merge job fails with:

Could not transfer artifact
org.onap.aria:ariarest:pom:0.1.0-20180323.150712-1
from/to ecomp-snapshots
(https://nexus.onap.org/content/repositories/snapshots):
ReasonPhrase: Forbidden.

Change-Id: Ic6f1daadab9d7b58df8bbe5b8ed2984af5b80cae
Issue-ID: SO-529
Signed-off-by: Rob Daugherty <rd472p@att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index b3a51a5..72dc422 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit b3a51a55e565bab557291773efa31766cf4e7fdb
+Subproject commit 72dc422f8ff2924ec43ad036e47f58ad43e42473