Update git submodules

* Update docs/submodules/fuel from branch 'stable/fraser'
  - [lib.sh] Stop Fuel@OPNFV containers if present

    JIRA: FUEL-388

    Change-Id: I6a7286bb9fc0243ab4a89292e34059fc85a831c4
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 98ba528..d385c0c 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 98ba528c5d60075b8583e3533cd777e0e24a7ea5
+Subproject commit d385c0ca5a6650ed05744be545d52788a6b40b6d