Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 40d0e02c799115c2f070e93d35a9384264b332e2
  - Merge "requestid values have commas audit log"
  - requestid values have commas audit log

    Removed overwriting header with random uuid
    Removed setting of duplicate headers, updated SOAP logging
    Re-added setting non-duplicate header
    Updated version of logging library to get elapsedTime changes
    Fixed failing unit tests in MSOCommonBPMN

    Issue-ID: SO-2916
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I6b30d69daf210dd903e6a1c1d832de49bf8119d5