Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Added proper assertion config NIC test."
  - Added proper assertion config NIC test.

    The test that exercises the OpenStackVmInstance class config_nic()
    now checks the Ansible return code.

    JIRA: SNAPS-124

    Change-Id: I7840cd53eea2eacf7952d14be30870c8fa3aeab8
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index f2fc55f..acda399 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit f2fc55fc622b57c078615d847443023fea0799e2
+Subproject commit acda399def76b37345f298c7df14ae2594cdc147