- [x] Use [Cake.Yaml](https://github.com/Redth/Cake.Yaml) instead of manually installing and referencing YamlDotNet. - [x] Move `Source` to `src` - [x] Move `Library` to `.build/lib` - [x] Move `Output` to `.build/out` - [x] Update `.gitignore` with new `.build` path - [x] Reorganize `.cake` files - [x] Add Linux build file - [ ] Add Travis build - [ ] Add build badges
