Replaced bad urls.

Author: awhitford

example/lib/data.dart

@@ -267,9 +267,9 @@ const contacts = <Contact>[
   Contact('Andrew', '[email protected]',
       'https://d2gg9evh47fn9z.cloudfront.net/800px_COLOURBOX4057996.jpg'),
   Contact('Paul', '[email protected]',
-      'https://mbtskoudsalg.com/images/person-stock-image-png.png'),
+      'https://media.istockphoto.com/photos/man-with-crossed-arms-isolated-on-gray-background-picture-id1171169099'),
   Contact('Fred', '[email protected]',
-      'https://media.istockphoto.com/photos/feeling-great-about-my-corporate-choices-picture-id507296326'),
+      'https://media.istockphoto.com/photos/confident-businessman-posing-in-the-office-picture-id891418990'),
   Contact('Brian', '[email protected]',
       'https://upload.wikimedia.org/wikipedia/commons/7/7c/Profile_avatar_placeholder_large.png'),
   Contact('John', '[email protected]',
@@ -286,6 +286,6 @@ const contacts = <Contact>[
       'https://upload.wikimedia.org/wikipedia/commons/7/7c/Profile_avatar_placeholder_large.png'),
   Contact('Ernie', '[email protected]',
       'https://upload.wikimedia.org/wikipedia/commons/7/7c/Profile_avatar_placeholder_large.png'),
-  Contact('Gina', 'fred@flutter.io',
-      'https://upload.wikimedia.org/wikipedia/commons/7/7c/Profile_avatar_placeholder_large.png'),
+  Contact('Gina', 'gina@flutter.io',
+      'https://media.istockphoto.com/photos/all-set-for-a-productive-night-ahead-picture-id637233964'),
 ];