Update git submodules

Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "[cloudify_ims] Support Cloudify 4.0"
  - [cloudify_ims] Support Cloudify 4.0

    - Delete all shell commands to use cloudify python lib
    - Cloudify Manager installation with a packaged image
    - SNAPS integration
    - Adapt test_vnf unit tests
    - Initiate test cloudify_ims unit tests (to be completed)

    JIRA: FUNCTEST-838

    Change-Id: Ia4b499d4155e6af5d37d6d5cf4310a5a9693c7ce
    Signed-off-by: boucherv <valentin.boucher@orange.com>
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>