Chore: 1.11.0

# [1.11.0](https://git.rwth-aachen.de/coscine/api/project/compare/v1.10.0...v1.11.0) (2019-12-20)

### Update

* Increased Version numbers for the Logging library ([4dc880b3](https://git.rwth-aachen.de/coscine/api/project/commit/4dc880b3b131e3eaf47c0abfe907097874060d7a))