nice-sbt-settings v0.4.0 release

- [ ] adding release notes to the release tag (requires changing tagging release step)
- [ ] notes.imlicit.ly integration: [herald](https://github.com/n8han/herald)
- [ ] [github-releases](https://github.com/blog/1645-releases-api-preview) for automated release notes on github
- [ ] [bintray-sbt](https://github.com/softprops/bintray-sbt) for releases on bitray
- [ ] [sbt-updates](https://github.com/rtimush/sbt-updates) integration for checking, that your deps are up to date
- [ ] [sbt-taglist](https://github.com/johanandren/sbt-taglist) for warning about `TODO` and `FIXME` tags