New Component Properties, Bundling Fixes and Javadoc Improvements

New Features

• Added readonly property for Components with value (implementing HasValue)
• Added requiredIndicatorVisible property to Components with value (implementing HasValue)
• Sizing API available for all Vaadin Components (via HasSize)

Fixes

• Now CheckBox::setValue(null) sets the value to null
• Fixed sub-templates not working with bundling

Improvements

• Improved Javadocs of generated components
• Updated vaadin-checkbox and vaadin-datepicker versions
• Improved handling of boolean environment variables
  • You can enable production mode with -Dvaadin.productionMode without explicitly setting the value to true

All Changes

• https://github.com/vaadin/flow/milestone/46?closed=1