Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 595c26c17a55c3e173756dc99a94ea8c8c9c5608
  - Test coverage in lockmanager.sql.pessimistic
    
    Increased package coverage from 52% to 98%
    
    Issue-ID: APPC-1400
    Change-Id: Iabce54c1004f4c5f1729d11b2ae40003d202625e
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed