Update git submodules

Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Add compass-docker-compose

    1. Add ansible for docker compose containerized
    compass
    2. deploy/conf/compass.conf no longer specify
    image tags for runtime. build.yaml now is added
    into compass tarball to be the only place determine
    image tags
    3. This patch is based on patch:
    https://gerrit.opnfv.org/gerrit/#/c/47393/
    use merged compass-tasks
    4. Tempoarily using private docker repo for
    compass-tasks. Switch to opnfv repo when patch
    https://gerrit.opnfv.org/gerrit/#/c/47329/
    is merged
    5. Modify ansible callback module accrodingly

    Change-Id: I0728a9002a1cc7804c9e8f13bd1afdccb684a159
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>