v4.2.0

Added

• Add support for Flow annotations on stateless components (#467)
• Add prefer-stateless-function rule (#214)
• Add auto fix for jsx-indent-props (#483 @shioju)

Fixed

• Fix jsx-no-undef crash on objects (#469)
• Fix propTypes detection when declared before the component (#472)

Changed

• Update dependencies
• Documentation improvements (#464 @alex-tan, #466 @awong-dev, #470 @Gpx; #462 @thaggie)