Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 97919e81b8721ae451d3c18d6b5b16ea3b4566f3
  - Fix DCAE cleanup process
    
    Issue-ID: INT-479
    
    Signed-off-by: Marco Platania <platania@research.att.com>
    Change-Id: I360d9887842ac8e86e3a52f7a549367dc63ccb7d
    
diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 00a0715..97919e8 160000
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 00a07150311b6f6a8cc65360aa478d1a0fc20591
+Subproject commit 97919e81b8721ae451d3c18d6b5b16ea3b4566f3