Added CHANGELOG for #78 and #79

Author: weierophinney

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 2.8.1 - TBD
+## 2.8.1 - 2016-06-30
 
 ### Added
 
@@ -18,7 +18,9 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- Nothing.
+- [#78](https://github.com/zendframework/zend-view/pull/78) and
+  [#79](https://github.com/zendframework/zend-view/pull/79) ensure that all
+  helpers work with both version 2 and version 3 of zend-mvc.
 
 ## 2.8.0 - 2016-06-21