Enhancements
- [68](https://github.com/korpling/graphANNIS/issues/68) Use applyUpdate() API to import legacy relANNIS files
- [67](https://github.com/korpling/graphANNIS/issues/67) Document the data model of graphANNIS
- [66](https://github.com/korpling/graphANNIS/issues/66) Automatic creation of inherited coverage edges
- [65](https://github.com/korpling/graphANNIS/issues/65) Add a new adjecency list based graph storage for dense components.