fix lint warnings: white spaces and es6 arrow func

Summary:
fixed some lint warnings: semi-colons, white spaces, and es6 arrow function syntax
Closes https://github.com/facebook/react-native/pull/5218

Reviewed By: svcscm

Differential Revision: D2818388

Pulled By: androidtrunkagent

fb-gh-sync-id: 812792dfae87d117fd7a5ffc6faa375c161c3b15

Examples/UIExplorer/AlertIOSExample.js

@@ -55,7 +55,7 @@ exports.examples = [{
               {'default'}
             </Text>
           </View>
-          
+
         </TouchableHighlight>
         <TouchableHighlight
           style={styles.wrapper}
@@ -73,7 +73,7 @@ exports.examples = [{
               plain-text
             </Text>
           </View>
-          
+
         </TouchableHighlight>
         <TouchableHighlight
           style={styles.wrapper}
@@ -91,7 +91,7 @@ exports.examples = [{
               secure-text
             </Text>
           </View>
-          
+
         </TouchableHighlight>
         <TouchableHighlight
           style={styles.wrapper}
@@ -109,7 +109,7 @@ exports.examples = [{
               login-password
             </Text>
           </View>
-          
+
         </TouchableHighlight>
       </View>
     );
@@ -118,7 +118,7 @@ exports.examples = [{
 {
   title: 'Prompt',
   render(): React.Component {
-    return <PromptExample />
+    return <PromptExample />;
   }
 }];
 

Examples/UIExplorer/PullToRefreshViewAndroidExample.android.js

@@ -72,7 +72,8 @@ const PullToRefreshViewAndroidExample = React.createClass({
       isRefreshing: false,
       loaded: 0,
       rowData: Array.from(new Array(20)).map(
-        (val, i) => {return {text: 'Initial row' + i, clicks: 0}}),
+        (val, i) => ({text: 'Initial row' + i, clicks: 0})
+      ),
     };
   },
 
@@ -107,10 +108,10 @@ const PullToRefreshViewAndroidExample = React.createClass({
     setTimeout(() => {
       // prepend 10 items
       const rowData = Array.from(new Array(10))
-      .map((val, i) => {return {
+      .map((val, i) => ({
         text: 'Loaded row' + (+this.state.loaded + i),
         clicks: 0,
-      }})
+      }))
       .concat(this.state.rowData);
 
       this.setState({