release 0.3.0

Author: xwenliang

README.md

@@ -7,7 +7,8 @@ Needs react-native >= 0.14.2
 ###Documentation
 
 ####Props
-- <b>itemStyle</b> itemStylePropType
+- <b>pickerStyle</b> viewStylePropType
+- <b>itemStyle</b> textStylePropType
 - <b>selectedValue</b> any
 - <b>onValueChange</b> function