Merge pull request salesforce-marketingcloud#15 from alimony/patch-2

Fix incorrect example link.

Author: cmoad

README.md

@@ -124,7 +124,7 @@ Sample List:
 * [DataExtension](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_dataextension.py)
 * [Email](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_email.py)
 * [List](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_list.py)
-* [List > Subscriber](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_subscriber.py)
+* [List > Subscriber](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_list_subscriber.py)
 * [OpenEvent](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_openevent.py)
 * [SentEvent](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_sentevent.py)
 * [Subscriber](https://github.com/ExactTarget/FuelSDK-Python/blob/master/objsamples/sample_subscriber.py)