Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 23279e5d562e8c21c8ded22c91fd75752a19aa22
  - Merge "Removed MsoLogger in 'mso-catalog-db-adapter'"
  - Removed MsoLogger in 'mso-catalog-db-adapter'

    Removed MsoLogger from adapters ('mso-catalog-db-adapter')
    Replaced MsoLogger with plain slf4j.
    Refactored login output.
    Fixed imports.

    Change-Id: Ic61119892e9d4cb41498f2be2a65990f4d51bf0a
    Issue-ID: LOG-631
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 4e675f5..23279e5 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 4e675f5212bfc47a5869d9235cc55195b3f316bb
+Subproject commit 23279e5d562e8c21c8ded22c91fd75752a19aa22