Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to c0c6449fef2aed05eda93b462bf9b8939151b9aa
  - Continue to separate AAIClient into GraphInventory

    added narad specific relationship implementation
    add mapper to narad rest client
    wrapper now returns correct relationships type
    equals now longer only works on AAIUris

    Change-Id: I12325f76ae08659ffe744a56f5e6b6d54196b054
    Issue-ID: SO-1541
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 860edae..c0c6449 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 860edae04456562fd7cf249968cd54b30b1f7f12
+Subproject commit c0c6449fef2aed05eda93b462bf9b8939151b9aa