message: tidy up Flash, don't pass props to HTML
diff: import React from 'react'
  import classnames from 'classnames'
  -const Flash = props => (
  +const Flash = ({children, className, full, yellow, red, green}) => (
  <div
  - {...props}
  className={classnames(
  - props.className,
  + className,
  'flash', {
  - 'flash-full': props.full,
  - 'flash-warn': props.yellow,
  - 'flash-error': props.red,
  - 'flash-success': props.green, }
  - )}
  - />
  + 'flash-full': full,
  + 'flash-warn': yellow,
  + 'flash-error': red,
  + 'flash-success': green
  + }
  + )}>
  + {children}
  + </div>
  )
  export default Flash
  