Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to e708ead3ae0be922b62dc8d6ad1271e3ac82b9b5
  - Remove MsoLogger from BPMN VCPE scripts

    Replaced MsoLogger with plain slf4j.
    Refactored login output.
    Fixed imports.
    Replaced utils.log() with respective logger calls.

    Issue-ID: LOG-631
    Signed-off-by: Witold Kopel <w.kopel@samsung.com>
    Change-Id: I7c0f0e4a6b46e9e99f58e7c287b19bb93abc8677

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 9af47ee..e708ead 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 9af47ee96a3e76969898c5bf327721cb632a4996
+Subproject commit e708ead3ae0be922b62dc8d6ad1271e3ac82b9b5