Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 0ceebe19816b1d95218be00d5113545933067344
  - Merge "Removed MsoLogger from 'MSOCoreBPMN' II"
  - Removed MsoLogger from 'MSOCoreBPMN' II

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

    Change-Id: Ie527c56f3dd97f26c7d7b7ea947a853fc63a1157
    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 2a02a88..0ceebe1 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 2a02a88749777b602e1f077b334de8993c804a62
+Subproject commit 0ceebe19816b1d95218be00d5113545933067344