Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - ci/deploy.sh: Add installation succesful message

    Change-Id: Id366854c4ccb3b835f4a54ddea924a3a2cc30c7d
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 09e1c84..3479e81 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 09e1c843f54a349543784484ef657f3880c8b103
+Subproject commit 3479e81a8bfa1ae15084100f2b3872ca8f1ed752