v4.0.12 - TextInput update

• add highlightOnFocus bool prop to TextInput
  • adds 1 pixel wide border around TextInput with Text color (see default theme variables or check your own custom theme)
    E.g.:

• add errorMessage string prop
  • adds Caption with errorText styling (see default theme variables and form-error styleName or check your own custom theme) containing text from the prop
  • adds 1 pixel wide errorText color border around TextInput
    E.g.: