Update git submodules

* Update docs/submodules/appc/deployment.git from branch 'master'
  to aa228059d4b485730eca02d75f482683bf333c42
  - Update APPC certificate
    
    Issue-ID: AAI-1836
    Change-Id: Ie89eb7f1c779aec67f85d1c6944ea666c4069801
    Signed-off-by: Jimmy Forsyth <jf2512@att.com>
    
diff --git a/docs/submodules/appc/deployment.git b/docs/submodules/appc/deployment.git
index 5fd9306..aa22805 160000
--- a/docs/submodules/appc/deployment.git
+++ b/docs/submodules/appc/deployment.git
@@ -1 +1 @@
-Subproject commit 5fd9306e4737e6d1f75cf1d87f94c66c4a285040
+Subproject commit aa228059d4b485730eca02d75f482683bf333c42