Update git submodules

* Update docs/submodules/calipso from branch 'master'
  - update docs to reflect container change sensu->monitor

    Change-Id: I18fe82b5c356a70cd402a0213ee5e2a8c0ad5bf9
    Signed-off-by: Koren Lev <korenlev@gmail.com>

diff --git a/docs/submodules/calipso b/docs/submodules/calipso
index d8f7570..8f3b074 160000 (submodule)
--- a/docs/submodules/calipso
+++ b/docs/submodules/calipso
@@ -1 +1 @@
-Subproject commit d8f75705138a283b080394d7fdd2a83512cfe939
+Subproject commit 8f3b074fafd2271557a152f43a676abaee6a32ea