Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 11bfecabaf6115d5264bc9dc487474127565e533
  - Attempt to disable nexus staging
    
    Change-Id: Ice20bc6259d9f30438f23e9f8e6c875f4119fee3
    Signed-off-by: Patrick Brady <patrick.brady@att.com>
    Issue-ID: APPC-1686
    
1 file changed