Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to c80274e413a8bc8a47a831ad79d16f801dfc5af2
  - Add preload description to scale out doc
    
    Issue-ID: INT-1171
    
    Signed-off-by: Marco Platania <platania@research.att.com>
    Change-Id: Ia6f7d8276b720bdf0ff1f71d5f1ba66535283751
    
1 file changed