Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to f388c24c982a51c47d6b00c72d9252c5e430f44d
  - Remove Valet from openstack adapter

    Remove Valet from openstack adapter
    Clean up CI, so it passes on dev branch
    Fixed bad merge regarding correct method name.
    Added try catch around createIfNotExists methods to avoid failing sim.
    Fix broken Fabric Tests from merge
    Update logging jar dependency for CI

    Issue-ID: SO-2623
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I572276f751b132ec78d7ab5763f1c76bfc8256c5