Update to ListView functionality

Re-build ListView from the core react-native component, to get better
feature parity

Ensure lists with small initialListSize render correctly

Changes as requested via PR

examples/components/ListView/ListViewExample.js

@@ -1,4 +1,80 @@
 import React from 'react';
-import { storiesOf, action } from '@kadira/storybook';
-import { ListView } from 'react-native'
+import { storiesOf } from '@kadira/storybook';
+import { ListView, StyleSheet, Text, View } from 'react-native';
 
+const generateData = (length) => Array.from({ length }).map((item, i) => i);
+const dataSource = new ListView.DataSource({ rowHasChanged: (r1, r2) => r1 !== r2 });
+
+storiesOf('component: ListView', module)
+  .add('vertical', () => (
+    <View style={styles.scrollViewContainer}>
+      <ListView
+        contentContainerStyle={styles.scrollViewContentContainerStyle}
+        dataSource={dataSource.cloneWithRows(generateData(100))}
+        initialListSize={100}
+        // eslint-disable-next-line react/jsx-no-bind
+        onScroll={(e) => { console.log('ScrollView.onScroll', e); } }
+        // eslint-disable-next-line react/jsx-no-bind
+        renderRow={(row) => (
+          <View><Text>{row}</Text></View>
+        )}
+        scrollEventThrottle={1000} // 1 event per second
+        style={styles.scrollViewStyle}
+      />
+    </View>
+  ))
+  .add('incremental rendering - large pageSize', () => (
+    <View style={styles.scrollViewContainer}>
+      <ListView
+        contentContainerStyle={styles.scrollViewContentContainerStyle}
+        dataSource={dataSource.cloneWithRows(generateData(5000))}
+        initialListSize={100}
+        // eslint-disable-next-line react/jsx-no-bind
+        onScroll={(e) => { console.log('ScrollView.onScroll', e); } }
+        pageSize={50}
+        // eslint-disable-next-line react/jsx-no-bind
+        renderRow={(row) => (
+          <View><Text>{row}</Text></View>
+        )}
+        scrollEventThrottle={1000} // 1 event per second
+        style={styles.scrollViewStyle}
+      />
+    </View>
+  ))
+  .add('incremental rendering - small pageSize', () => (
+    <View style={styles.scrollViewContainer}>
+      <ListView
+        contentContainerStyle={styles.scrollViewContentContainerStyle}
+        dataSource={dataSource.cloneWithRows(generateData(5000))}
+        initialListSize={5}
+        // eslint-disable-next-line react/jsx-no-bind
+        onScroll={(e) => { console.log('ScrollView.onScroll', e); } }
+        pageSize={1}
+        // eslint-disable-next-line react/jsx-no-bind
+        renderRow={(row) => (
+          <View><Text>{row}</Text></View>
+        )}
+        scrollEventThrottle={1000} // 1 event per second
+        style={styles.scrollViewStyle}
+      />
+    </View>
+  ));
+
+const styles = StyleSheet.create({
+  box: {
+    flexGrow: 1,
+    justifyContent: 'center',
+    borderWidth: 1
+  },
+  scrollViewContainer: {
+    height: '200px',
+    width: 300
+  },
+  scrollViewStyle: {
+    borderWidth: '1px'
+  },
+  scrollViewContentContainerStyle: {
+    backgroundColor: '#eee',
+    padding: '10px'
+  }
+});