Update git submodules

Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Switch create_server timeout to default value

    60s was successfully reached when running all containers (3
    containers * 3 branches) in parallel.

    It also removes the wait attribute (the current impl will meet
    a possible next asynchronous design) which is useless here.

    For the time being, only cloudify needs an extra timeout.

    Change-Id: Ic7741b4c1a3223be076fb69ef70a3cb6c05456c2
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 1b75bbbc4e842ca2c8c14957261c88692f9e4828)