v2.0.0

Breaking changes

• No longer render any JSX
• Rename path prop to id
• Pass all of wizard to onNext function
• No longer spread wizard on <Step> children
• Add a single wizard prop when using withWizard
• Make react a peer dependency
• Remove <Navigation>

Non-breaking changes

• Add <WithWizard> component
• Use hoist-non-react-statics in withWizard
• Convert tests to only test against the public API