update CHANGELOG; add link to CHANGELOG in README.md

Author: boneskull

CHANGELOG.md

@@ -1,3 +1,15 @@
+2.4.2 / 2016-01-26
+
+* [#2053] - Fix web worker compatibility ([@mislav])
+* [#2072] - Fix Windows color output ([@thedark1337])
+* [#2073] - Fix colors in `progress` and `landing` reporters ([@gyandeeps])
+
+[#2053]: https://github.com/mochajs/mocha/pull/2053
+[#2072]: https://github.com/mochajs/mocha/pull/2072
+[#2073]: https://github.com/mochajs/mocha/pull/2073
+[@gyandeeps]: https://github.com/gyandeeps
+[@thedark1337]: https://github.com/thedark1337
+
 2.4.1 / 2016-01-26
 ==================
 

README.md

@@ -6,6 +6,7 @@
 
 ## Links
 
+  - [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
   - [Google Group](http://groups.google.com/group/mochajs)
   - [Wiki](https://github.com/mochajs/mocha/wiki)
   - Mocha [Extensions and reporters](https://github.com/mochajs/mocha/wiki)