Use example.com in README.md

example.com is explicitly reserved for use in documentation whereas the
hostname that was previously used was a real domain owned by a domain
name squatter.

README.md

@@ -154,7 +154,7 @@ The view script for default controller and default action is in the application/
 ```
 
 ## Run the Application
-  http://www.yourhostname.com/
+  http://www.example.com
 
 ## Alternative
 You can generate the example above by using Yaf Code Generator:  https://github.com/laruence/php-yaf/tree/master/tools/cg