Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 13ea0be3281311ef1a7dce434095b8ff6a0b1180
  - fix minor link in release note
    
    fix minor link in release note
    
    Issue-ID: APPC-1880
    Change-Id: If8fb8104a421afb3311a350c150b860bb339a4b6
    Signed-off-by: Taka Cho <takamune.cho@att.com>
    
1 file changed