Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to d00a2d4a4542e50809360aec6da24c0c6ab12e86
  - Improvements in MsoVnfAdapterImpl

    Improvements in MsoVnfAdapterImpl according to the Sonar analyses.
    -Removed unnecessary code.
    -Fixed imports.
    -Extracted constants.

    Issue-ID: SO-2011
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>
    Change-Id: I9dc8406fe0cdea74b08ebb013a68f970da647b6c

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index c12bd8a..d00a2d4 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit c12bd8acf7bbc266b14851b50728e9d24d53b5b8
+Subproject commit d00a2d4a4542e50809360aec6da24c0c6ab12e86