Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [ha] Update OpenStack version to Queens

    * make cluster names version-agnostic
    * switch to mirror.mirantis.com
    * system reclass update

    Change-Id: I96394b3c9d8d38321289af8e3a4e8bbc5dd7a408
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index afae8d4..bf341b7 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit afae8d4d99d962448eb62cdd306f7a3dcda83744
+Subproject commit bf341b7e0d7e423044827f379e4b180e9dc897a1