Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to a96380d2d7ccc93e808ab0c7f4a047095878e254
  - Removed MsoLogger 'so-bpmn-infrastructure-common'

    Removed MsoLogger from adapters ('so-bpmn-infrastructure-common')
    Replaced MsoLogger with plain slf4j.
    Refactored login output.
    Fixed imports.

    Change-Id: I52fc6250ccd3ff528e906ac82809fb98c77984a4
    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 dee52db..a96380d 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit dee52db16fa7d9ead3f98bfd18bfd1d747f3553b
+Subproject commit a96380d2d7ccc93e808ab0c7f4a047095878e254