Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 23c402203aa8bba6fd2f93e9d95871a40f22b4ed
  - Merge "Changed the text xml client to always set the"
  - Changed the text xml client to always set the

    Changed the text xml client to always set the accept type to text xml.
    Forgot to assign the accept type in rest client

    Issue-ID: SO-2838
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Ia86e53327c6e126fcee6a15b5cd3e5f5c4ec9390

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 589118a..23c4022 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 589118aacdc22bb5c2a975d857c4f2e62340bf8b
+Subproject commit 23c402203aa8bba6fd2f93e9d95871a40f22b4ed