Update git submodules

* Update docs/submodules/joid from branch 'master'
  - modified to include rados gateway with vip.

    Change-Id: I5828c3b37e71da04515867f7e7d2b5bd10e9f9b1
    Signed-off-by: Narinder Gupta <narinder.gupta@canonical.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index ea65265..3240e47 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit ea65265e93f162bdf3b236d0c58ac2d30db57f88
+Subproject commit 3240e47c77172eef852a187ce3900112f89e1785