Update git submodules

* Update docs/submodules/calipso from branch 'master'
  - Fix calipso index.

    old index was dunping entire contents on main documentation page.

    Change-Id: Ie88816d5dba5436fbe3ece5fc8fd2cb58aae1f50
    Signed-off-by: agardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/calipso b/docs/submodules/calipso
index 41b020a..4709d96 160000 (submodule)
--- a/docs/submodules/calipso
+++ b/docs/submodules/calipso
@@ -1 +1 @@
-Subproject commit 41b020a702cc12fd9be09e31874e3821880e11c4
+Subproject commit 4709d96cc240c0c4c5308d40361ca3c3da1152fd