Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to a83fa219608559e1c9a82e4cfc5a345d6c3ec636
  - Added default value for when ErrorCode is null in

    Added default value for when ErrorCode is null in mdc
    test to see if 404 log gets enhanced by change.
    Removed test id from class that was put to test via docker.
    Removed setting of partner name and tested with using try/catch
    Reverted change to request uri filter per comments
    Removed the request filter uri class that rerouted old uri orders
    Removed request filter from jersey config files
    Updated junit test that were pointing to the old uri to be failure test
    corrected formatting issues on ServiceInstancesTest

    Issue-ID: SO-2259
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Id8f9daef139a82ee9e934d4d37906ffb7a7aadff