3.0.0

Improvements:

• AndroidX support
• Incremental annotation processing
• Nullability annotations for better Kotlin support
• Improved converters api
• Fixing a problem with transparent activities

Api changes:

• ScreenSwitcher interface changed
• Converters are interfaces now
• getScreenOrNull method in ScreenResolver, getScreen never returns null now
• NavigationContextBinder receives an activity in unbind method