Update git submodules

Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Force new project.id when creating new users

    Else it raises side effects when both project.id and project.name are
    defined (see Apex [1])

    [1] https://build.opnfv.org/ci/view/functest/job/functest-apex-baremetal-daily-master/148/console

    Change-Id: I98665ed55a55fdd02e25d8ad17b78d84548b0ec8
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit ff0ae3f577311611f8c7ad9ef21370c439e8565b)