message: Added color props to radio.
  Enhancement based on issue-comment
diff: @@ -30,7 +30,7 @@ class Radio extends Component {
  ? this.props.selected &&
  <Icon
  style={{
  - color: variables.radioColor,
  + color: this.props.selectedColor ? this.props.selectedColor : variables.radioColor,
  lineHeight: 25,
  height: 20,
  fontSize: variables.radioBtnSize,
  @@ -41,8 +41,8 @@ class Radio extends Component {
  style={{
  color:
  Platform.OS === "ios"
  - ? this.props.selected ? variables.radioColor : undefined
  - : this.props.selected ? variables.radioSelectedColorAndroid : undefined,
  + ? this.props.selected ? (this.props.selectedColor ? this.props.selectedColor : variables.radioColor) : (this.props.color ? this.props.color : undefined)
  + : this.props.selected ? (this.props.selectedColor ? this.props.selectedColor : variables.radioSelectedColorAndroid) : (this.props.color ? this.props.color : undefined),
  lineHeight: variables.radioBtnLineHeight,
  fontSize: variables.radioBtnSize,
  }}
  