Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "barometer: fix barometer apex build"
  - barometer: fix barometer apex build

    apex-tripleo-heat-templates: I3250b57316b4ec85e0558f1b512f6f3ed7c349fb

    apex-puppet-tripleo: I95698d69c58e0c36ae88cc2687073a05b514592c

    Change-Id: I5f33cd2a2842051a77c89cb11f97e8e37d1d0185
    Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index fcec435..26e6de0 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit fcec435be9f24fd9b0d9eba8b7443bb7dc241949
+Subproject commit 26e6de0b9d2b60f72380949dcf319e00e03daa95