Added CHANGELOG for #54

Author: weierophinney

CHANGELOG.md

@@ -71,6 +71,12 @@ for full details on how to migrate your v2 application.
   functionality related to exposing and configuring the zend-hydrator
   `HydratorManager`. That functionality is now exposed directly by the
   zend-hydrator component.
+- [#54](https://github.com/zendframework/zend-mvc/pull/54) removes the
+  `$configuration` argument (first required argument) from the
+  `Zend\Mvc\Application` constructor. If you were directly instantiating an
+  `Application` instance previously (whether in your bootstrap, a factory, or
+  tests), you will need to update how you instantiate the instance. (The
+  argument was removed as the value was never used.)
 
 ### Fixed