Update git submodules

* Update docs/submodules/dmaap/buscontroller.git from branch 'elalto'
  to e6f219098e97c4b2d41fc32c514f551e93bcdf78
  - patch for certs
    
    Issue-ID: DMAAP-1424
    Signed-off-by: dglFromAtt <dgl@research.att.com>
    Change-Id: If14f9867a327a6ff258686490655650fe0f92466
    
diff --git a/docs/submodules/dmaap/buscontroller.git b/docs/submodules/dmaap/buscontroller.git
index 0c3d11e..e6f2190 160000
--- a/docs/submodules/dmaap/buscontroller.git
+++ b/docs/submodules/dmaap/buscontroller.git
@@ -1 +1 @@
-Subproject commit 0c3d11e690ce542c604460e7a4db5d37fd96fac7
+Subproject commit e6f219098e97c4b2d41fc32c514f551e93bcdf78