Upgrade to Gherkin 3.0
Add convenient name methods to Hook callees
Bump required gherkin version
Rename OutlineExample to Example
Remove unneeded namespacing
Rename FormatterManager to OutputManager
Move HookEvent into Hook namespace
Remove unneeded method
Cleanup EventInterface
Optimize hooks
Add container information to BackgroundEvent
Add StepEvent::getContainer()
Rewrite PrettyFormatter for 3.0
Bump composer version
Merge branch '3.0' of github.com:Behat/Behat into 3.0
Merge branch 'new-pretty' into 3.0