message: Added x button back in for android back
diff: import React from 'react';
  -import {StyleSheet, ScrollView, Text, View} from 'react-native';
  +import {StyleSheet, ScrollView, Text, View, Platform, TouchableHighlight} from 'react-native';
  import {NavigationContext} from 'navigation-react';
  import {RightBarIOS, BarButtonIOS} from 'navigation-react-native';
  @@ -14,6 +14,13 @@ export default ({color}) => (
  stateNavigator.navigateBack(1);
  }} />
  </RightBarIOS>
  + {Platform.OS === 'android' && <TouchableHighlight
  + underlayColor="#fff"
  + onPress={() => {
  + stateNavigator.navigateBack(1);
  + }}>
  + <Text style={styles.back}>X</Text>
  + </TouchableHighlight>}
  <View
  style={[
  {backgroundColor: color},
  @@ -26,6 +33,13 @@ export default ({color}) => (
  );
  const styles = StyleSheet.create({
  + back: {
  + fontSize: 20,
  + color: '#000',
  + fontWeight: 'bold',
  + paddingLeft: 20,
  + paddingTop: 10,
  + },
  color: {
  flex: .6,
  marginTop: 10,
  