Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix credentials in cloudify_vrouter

    It completes [1] which partially fixes cloudify_vrouter [2].
    It now handles region name too and formats long arg lists too.

    [1] https://gerrit.opnfv.org/gerrit/#/c/52175/
    [2] https://gerrit.opnfv.org/gerrit/#/c/50747/

    Change-Id: I592d12d7df6837531560acfc4afc0636f485c671
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 118e043..93e4152 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 118e043af09ea256b6d6752d94dcc8a196f95d54
+Subproject commit 93e415272f8a48d0e4d25c9a5a6121bb9e93d33c