Merge pull request vsouza#228 from miguelarauj1o/gh-unit

Add gh-unit

README.md

@@ -417,6 +417,7 @@ Projects in Swift language will be marked with :large_orange_diamond: and :watch
  * [XcodeCoverage](https://github.com/jonreid/XcodeCoverage) - Code coverage for Xcode projects.
  * [OHHTTPStubs](https://github.com/AliSoftware/OHHTTPStubs) - Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!
  * [Dixie](https://github.com/Skyscanner/Dixie) - Dixie is an open source Objective-C testing framework for altering object behaviours.
+ * [gh-unit](https://github.com/gh-unit/gh-unit) - Test Framework for Objective-C.
 
 ### UI Testing
  * [CrashMonkey](https://github.com/mokemokechicken/CrashMonkey) - Monkey Test Tool For iOS.