Update git submodules

* Update docs/submodules/integration.git from branch 'elalto'
  to 12a70e66ea5b1ddb70353da5f26912f989137487
  - Update demo artifacts to released version 1.5.0
    
    Issue-ID: INT-1072
    Signed-off-by: Marco Platania <platania@research.att.com>
    Change-Id: I9a5b99101dc08753981c97233b16d2a34438c807
    
diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 4f0720f..12a70e6 160000
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 4f0720fe08f40b96ccacf7a6114bba89497f18ab
+Subproject commit 12a70e66ea5b1ddb70353da5f26912f989137487