Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 498bb01533ee88fd4884153529eb02597335a308
  - added missing licence to CapabilityModel.java
    
    added missing licence
    
    Issue-ID: APPC-1086
    Change-Id: I8062927427b4d61b9e96051facb7316c2be25233
    Signed-off-by: Sandeep J <sandeejh@in.ibm.com>
    
1 file changed