[add] fontFeatureSettings 'Text' style

Fix #331

docs/components/Text.md

@@ -63,6 +63,7 @@ Lets the user select the text.
 + ...[View#style](View.md)
 + `color`
 + `fontFamily`
++ `fontFeatureSettings` ‡
 + `fontSize`
 + `fontStyle`
 + `fontWeight`

src/apis/StyleSheet/StyleSheetValidation.js

@@ -71,12 +71,10 @@ StyleSheetValidation.addValidStylePropTypes({
   appearance: PropTypes.string,
   clear: PropTypes.string,
   cursor: PropTypes.string,
-  display: PropTypes.string,
   float: PropTypes.oneOf([ 'left', 'none', 'right' ]),
   font: PropTypes.string, /* @private */
   listStyle: PropTypes.string,
-  pointerEvents: PropTypes.string,
-  WebkitOverflowScrolling: PropTypes.string /* @private */
+  pointerEvents: PropTypes.string
 })
 
 module.exports = StyleSheetValidation

src/components/Text/TextStylePropTypes.js

@@ -12,6 +12,7 @@ const WritingDirectionPropType = oneOf([ 'auto', 'ltr', 'rtl' ]);
 const TextOnlyStylePropTypes = {
   color: ColorPropType,
   fontFamily: string,
+  fontFeatureSettings: string,
   fontSize: numberOrString,
   fontStyle: string,
   fontWeight: string,