Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to a0f41b0c01515ee42ffec59b03aebfc68ede8e99
  - Merge "Removed MsoLogger from 'MSOCoreBPMN'"
  - Removed MsoLogger from 'MSOCoreBPMN'

    Removed MsoLogger from adapters ('MSOCoreBPMN')
    Replaced MsoLogger with plain slf4j.
    Refactored login output.
    Fixed imports.

    Change-Id: Ida6bc00d6b179d712716213ad514d2fb3faeacc1
    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 013fe8e..a0f41b0 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 013fe8e0447d8bb4a7689cfa0cb7feaa406f2426
+Subproject commit a0f41b0c01515ee42ffec59b03aebfc68ede8e99