Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 0514d12f76335aa3bf3cfccaef3864fd91a54444
  - Merge "split single and plural graph inventory uris"
  - split single and plural graph inventory uris

    split single and plural graph inventory uris
    updated all object references in MSO using graph inventory plurals
    corrected unit test stubbings
    added additional unit tests
    correct interfaces to return plural after related-to
    modified the way http aware uris are built
    reformated interfaces to no longer duplicate methods
    corrected issues with identity of unbuilt uris
    removed AAIUri references from groovy files
    fixed clone behavior on Uri objects

    Issue-ID: SO-2743
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I37aa2a13dcbf010b6c82ad73af3be5db5d9bd673

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index dd5fdf5..0514d12 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit dd5fdf5d895c5682ddcb796238513a4de7147dc4
+Subproject commit 0514d12f76335aa3bf3cfccaef3864fd91a54444