Update git submodules

* Update docs/submodules/integration.git from branch 'dublin'
  to 8bf7a7d04041fbae4c0b220f37fa586ea79a8334
  - Fix typos in the scale out documentation

    Change-Id: Id245450940506af726d2219c34c0033e2151c21b
    Issue-ID: INT-1171
    Signed-off-by: Marco Platania <platania@research.att.com>
    (cherry picked from commit 64105bb121e99e00f7124a0e7272f4cbb08310af)

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index f2adf52..8bf7a7d 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit f2adf52d3c3635a5f0e354c32a3b7543bbdd4d6d
+Subproject commit 8bf7a7d04041fbae4c0b220f37fa586ea79a8334