Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Upgrade robotframework-sshlibrary to 2.1.3

    Robotframework sshlibrary monkeypatches paramiko runtime and version
    2.1.1 causes
    2017-03-27 15:24:23,196 - SSH utils - ERROR - _custom_start_client() got
    an unexpected keyword argument 'timeout'

    errors in SFC test because of the issue
    https://github.com/robotframework/SSHLibrary/issues/158

    This issue is resolved in version 2.1.3

    Change-Id: I07f570c1a90f358b9f17aa6c959642d67e07a7e4
    Signed-off-by: George Paraskevopoulos <geopar@intracom-telecom.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 6e0a007..696fb16 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 6e0a0070d775cf5f266cda53eb7c004cecb0511c
+Subproject commit 696fb168cd72978c18a9c7f4d9d2ba60b80611ab