Update git submodules

* Update docs/submodules/dmaap/messagerouter/messageservice.git from branch 'master'
  to a526f9803779dbe4d081420b60587ab7f992a4f5
  - update docker compose with the latest images

    Issue-ID: DMAAP-1270
    Change-Id: I348b70274269ec5625a898fb22898f6db284bc08
    Signed-off-by: su622b <su622b@att.com>

diff --git a/docs/submodules/dmaap/messagerouter/messageservice.git b/docs/submodules/dmaap/messagerouter/messageservice.git
index d0f5883..a526f98 160000 (submodule)
--- a/docs/submodules/dmaap/messagerouter/messageservice.git
+++ b/docs/submodules/dmaap/messagerouter/messageservice.git
@@ -1 +1 @@
-Subproject commit d0f5883e6b2a615f12a2abd88dbf674ae1a6983f
+Subproject commit a526f9803779dbe4d081420b60587ab7f992a4f5