Update git submodules

* Update docs/submodules/ccsdk/features.git from branch 'master'
  to b4fce004a40753e396f100ac9abdbe876de5865e
  - fixed mediator app
    
    route requests through apigateway
    
    Issue-ID: SDNC-824
    Signed-off-by: Michael Dürre <michael.duerre@highstreet-technologies.com>
    Change-Id: Ief159a71888f271a7751884260f85be01efdd6b4
    
1 file changed