[ReactNative] Rename ReactIOS JS module (and relatives) to ReactNative.

Libraries/vendor/react/browser/eventPlugins/PanResponder.js

@@ -183,7 +183,7 @@ var PanResponder = {
    * changes* in the centroid of recently moved touches.
    *
    * There is also some nuance with how we handle multiple moved touches in a
-   * single event. With the way `ReactIOSEventEmitter` dispatches touches as
+   * single event. With the way `ReactNativeEventEmitter` dispatches touches as
    * individual events, multiple touches generate two 'move' events, each of
    * them triggering `onResponderMove`. But with the way `PanResponder` works,
    * all of the gesture inference is performed on the first dispatch, since it

Libraries/vendor/react/platformImplementations/universal/worker/UniversalWorkerNodeHandle.js

@@ -2,7 +2,7 @@
  * @providesModule UniversalWorkerNodeHandle
  */
 
-var ReactIOSTagHandles = require('ReactIOSTagHandles');
+var ReactNativeTagHandles = require('ReactNativeTagHandles');
 
 var invariant = require('invariant');
 
@@ -12,7 +12,7 @@ var UniversalWorkerNodeHandle = {
       nodeHandle !== undefined && nodeHandle !== null && nodeHandle !== 0,
       'No node handle defined'
     );
-    return ReactIOSTagHandles.tagToRootNodeID[nodeHandle];
+    return ReactNativeTagHandles.tagToRootNodeID[nodeHandle];
   }
 };