[ReactNative] Sort React Native exports into two groups, Components a…

…nd ...

Summary:
...APIs

This maps the way the docs are structured, this is easier to figure out when the docs are stale
Closes facebook#161
Github Author: Christopher Chedeau <vjeux@fb.com>

Test Plan: Imported from GitHub, without a `Test Plan:` line.

Libraries/react-native/react-native.js

@@ -7,40 +7,46 @@
 
 var ReactNative = {
   ...require('React'),
+
+  // Components
   ActivityIndicatorIOS: require('ActivityIndicatorIOS'),
-  AlertIOS: require('AlertIOS'),
-  Animation: require('Animation'),
-  AppRegistry: require('AppRegistry'),
-  AppState: require('AppState'),
-  AppStateIOS: require('AppStateIOS'),
-  AsyncStorage: require('AsyncStorage'),
-  CameraRoll: require('CameraRoll'),
   DatePickerIOS: require('DatePickerIOS'),
   ExpandingText: require('ExpandingText'),
   Image: require('Image'),
-  InteractionManager: require('InteractionManager'),
-  LayoutAnimation: require('LayoutAnimation'),
   ListView: require('ListView'),
   ListViewDataSource: require('ListViewDataSource'),
   MapView: require('MapView'),
   NavigatorIOS: require('NavigatorIOS'),
-  NetInfo: require('NetInfo'),
   PickerIOS: require('PickerIOS'),
-  PixelRatio: require('PixelRatio'),
   ScrollView: require('ScrollView'),
   SliderIOS: require('SliderIOS'),
-  StatusBarIOS: require('StatusBarIOS'),
-  StyleSheet: require('StyleSheet'),
   SwitchIOS: require('SwitchIOS'),
+  TabBarIOS: require('TabBarIOS'),
   Text: require('Text'),
   TextInput: require('TextInput'),
-  TimerMixin: require('TimerMixin'),
   TouchableHighlight: require('TouchableHighlight'),
   TouchableOpacity: require('TouchableOpacity'),
   TouchableWithoutFeedback: require('TouchableWithoutFeedback'),
-  VibrationIOS: require('VibrationIOS'),
   View: require('View'),
   WebView: require('WebView'),
+
+  // APIs
+  AlertIOS: require('AlertIOS'),
+  Animation: require('Animation'),
+  AppRegistry: require('AppRegistry'),
+  AppState: require('AppState'),
+  AppStateIOS: require('AppStateIOS'),
+  AsyncStorage: require('AsyncStorage'),
+  CameraRoll: require('CameraRoll'),
+  InteractionManager: require('InteractionManager'),
+  LayoutAnimation: require('LayoutAnimation'),
+  NetInfo: require('NetInfo'),
+  PixelRatio: require('PixelRatio'),
+  StatusBarIOS: require('StatusBarIOS'),
+  StyleSheet: require('StyleSheet'),
+  TimerMixin: require('TimerMixin'),
+  VibrationIOS: require('VibrationIOS'),
+
   invariant: require('invariant'),
   ix: require('ix'),
 };