Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to df2db9f4a7c3fccc5f617792a057d8dbc6bf9d34
  - Merge "updated uri regular expression to support resume"
  - updated uri regular expression to support resume

    updated uri regular expression to support resume

    Issue-ID: SO-2522
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I0a44a374d46c7b3892acabe31c0621d37103b37a

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 78a4856..df2db9f 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 78a48567a2d3657cc3c5df70a614a5d1496744fb
+Subproject commit df2db9f4a7c3fccc5f617792a057d8dbc6bf9d34