Update git submodules

* Update docs/submodules/appc/deployment.git from branch 'master'
  to f5a4a18d1b7c95a9159079bf3af437a78af9c3bf
  - Increment version to 1.6.4-SNAPSHOT
    
    Change-Id: Iab5d99b1dfc43e66108477197d4f89a9604232be
    Signed-off-by: Patrick Brady <patrick.brady@att.com>
    Issue-ID: APPC-1686
    
1 file changed