Added CHANGELOG for #27

Author: weierophinney

CHANGELOG.md

@@ -0,0 +1,23 @@
+# Changelog
+
+All notable changes to this project will be documented in this file, in reverse chronological order by release.
+
+## 2.5.2 - 2015-09-14
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#27](https://github.com/zendframework/zend-mvc/pull/27) fixes a condition
+  where non-view model results from controllers could cause errors to be
+  raisedin the `DefaultRenderingStrategy`.