Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Change the apt source

    1. change the apt sorce from http://hk.archive.ubuntu.com
    to http://archive.ubuntu.com
    2. if setup host failed, destroy the failed lxc. then retry to setup.
    3. fix the dns-nameserver bug

    Change-Id: Ic609c75b50496e2174ab09425bce45a0ec2c09c0
    Signed-off-by: wutianwei <wutianwei1@huawei.com>
    Signed-off-by: chigang <chigang@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 81ddb0a..06b95e3 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 81ddb0a110736415cab48240935b436cd6656ac7
+Subproject commit 06b95e349cf3e6bc5d45b7030683d53eeae490ec