Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 0be174769098ebe72ba4a76e0fbf194e0665721d
  - Merge "Removed MsoLogger from 'mso-infrastructure-bpmn'"
  - Removed MsoLogger from 'mso-infrastructure-bpmn'

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

    Change-Id: I05fa4d03fe2688a888c592a9c19c90e4fc213e48
    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 cc07cc5..0be1747 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit cc07cc52864ab2950f850de021e5e04a72c3cfdb
+Subproject commit 0be174769098ebe72ba4a76e0fbf194e0665721d