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
    
1 file changed