Usage documentation

[erikedin]

No usage documentation exists outside of the brief example in README.md. This issue can be used to track usage documentation for individual features.

• [x] Suggest missing step implementations
• [x] Using tag selectors to select which features/scenarios to run
• [x] Parameters in step definitions
• [x] Tutorial
• [x] Data tables

[mkschulze]

What about having a real doc page?

[erikedin]

Yes, a better documentation page would be good, but it's not a priority at the moment.