Added CHANGELOG for #112

Author: weierophinney

CHANGELOG.md

@@ -22,6 +22,9 @@ All notable changes to this project will be documented in this file, in reverse
 - [#107](https://github.com/zendframework/zend-mvc/pull/107) fixes an incorrect
   import statement in the `DiStrictAbstractServiceFactoryFactory` that prevented
   it from working.
+- [#112](https://github.com/zendframework/zend-mvc/pull/112) fixes how the
+  `Forward` plugin detects and detaches event listeners to ensure it works
+  against either v2 or v3 releases of zend-eventmanager.
 
 ## 2.7.5 - 2016-04-06