Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Download fraser.zip instead of master.zip (cloudify_ims)

    Change-Id: I6a5ebb27f445b816cf449f8b9db60e70278b338f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9f00eed..3e9dba6 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9f00eed3e6da26482e4f2d687a10bb631201a7ca
+Subproject commit 3e9dba631d04fe4faf58b06aa774311b3caa25f9