2.2.1

Add to actions:
- topLevelNames: Vector[String]
- toReport: Report[Nothing]
Add to Report.Format.Default:
- uncolouredUnicode: Settings
- uncolouredAscii: Settings
- def addColour(uncoloured: Settings): Settings
Bugfix: after failure has occurred, don't try to contextualise names of future actions for the report.
Upgrade dependencies
- Cats to 1.2.0
- scalajs-react to 1.2.3
- Selenium to 3.14.0