Fix coding style

Author: Matthieu Napoli

App/Containers/HomeScreen.js

@@ -24,7 +24,7 @@ class HomeScreen extends React.Component {
           The weather temperature is: {this.props.temperature}
         </Text>
         <Text style={styles.instructions}>{this.props.errorMessage}</Text>
-        <Button onPress={this.props.fetchTemperature} title="Refresh"/>
+        <Button onPress={this.props.fetchTemperature} title="Refresh" />
       </View>
     )
   }

App/Service/WeatherService.js

@@ -13,8 +13,8 @@ function fetchTemperature() {
   // Simulate an error 50% of the time just for testing purposes
   if (Math.random() > 0.5) {
     return new Promise(function(resolve, reject) {
-      resolve(null);
-    });
+      resolve(null)
+    })
   }
 
   const locationQuery = escape(