Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to e8d37bfde904531793bde52e17300811ce1b75c3
  - Increment version to 1.7.0-SNAPSHOT
    
    Change-Id: I5c9c5141f39a653e6604551488e955c2f0a68004
    Signed-off-by: Patrick Brady <patrick.brady@att.com>
    Issue-ID: APPC-1686
    
1 file changed