Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 05b6016a01f4b532b8f8bf955564283e83e91084
  - Merge "Cleaned up MsoLogger from 'so-bpmn-tasks'"
  - Cleaned up MsoLogger from 'so-bpmn-tasks'

    Replaced MsoLogger with plain slf4j.
    Refactored login output.
    Fixed imports.

    Change-Id: I1c971e828d81b49985cb378a2e6389c29c30a905
    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 e2b9467..05b6016 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit e2b9467d723886728e092b1a52d6047ba04e5a42
+Subproject commit 05b6016a01f4b532b8f8bf955564283e83e91084