Code review comment for lp:~mir-team/unity-mir/mir-0.2.0-compatibility-changes

Needs another mir/devel update.

/tmp/buildd/unity-mir-0.4+14.10.20140516.2bzr223pkg0utopic10/src/unity-mir/shellserverconfiguration.h:55:21: error: 'ConnectionCreator' is not a member of 'mir::frontend'
     std::shared_ptr<mir::frontend::ConnectionCreator> the_connection_creator() override;