message: Styled FAB in match native settings
  Doesn't seem to matter because the CoordinatorLayout lays out its children, but it's clearer to give it right style
diff: import React from "react";
  -import { Image, Platform, requireNativeComponent, Animated } from "react-native";
  +import { Image, Platform, requireNativeComponent, Animated, StyleSheet } from "react-native";
  class FloatingActionButton extends React.Component<any, any> {
  render() {
  - var { image, ...props } = this.props;
  + var { image, style, ...props } = this.props;
  return (
  <NVFloatingActionButton
  image={Image.resolveAssetSource(image)}
  + style={[ styles.floatingActionButton, style ]}
  {...props}
  />
  );
  @@ -15,4 +16,12 @@ class FloatingActionButton extends React.Component<any, any> {
  const NVFloatingActionButton = requireNativeComponent<any>("NVFloatingActionButton", null);
  +const styles = StyleSheet.create({
  + floatingActionButton: {
  + position: 'absolute',
  + height: 56,
  + width: 56
  + },
  +});
  +
  export default Platform.OS === 'android' ? Animated.createAnimatedComponent(FloatingActionButton) : null;
  