Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - New repository. puppet-barometer

    Change-Id: I3a706b9512c270ecb1340db93e2bb4baacab1475
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index 7fd9d03..43d091d 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit 7fd9d03a8fbd3f4d51f353a985e56938316de4b1
+Subproject commit 43d091ddcc32e8a89cb331c3f14e3a15dcd5325f