Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 96bc763ae2ee6264d7a455ac09030e60a6a05357
  - Merge "Added null check for injectedVariables to prevent crash at call of injectedVariables.get()"
  - Added null check for injectedVariables to prevent
    crash at call of injectedVariables.get()

    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: I1d05b32b0aa0c001c79e41576bc8b3435a9aae1f

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 18bcc4e..96bc763 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 18bcc4e72e339aa3fb584da7799e0071151b47c2
+Subproject commit 96bc763ae2ee6264d7a455ac09030e60a6a05357