Merge pull request #81 from rjacoby/master

Fixed MD link in readme

readme.md

@@ -1,6 +1,6 @@
 Koala
 ====
-Koala (<a href="http://github.com/arsduo/koala" target="_blank">http://github.com/arsduo/koala</a>) is a new Facebook library for Ruby, supporting the Graph API (including the batch requests and photo uploads), the REST API, realtime updates, test users, and OAuth validation.  We wrote Koala with four goals:
+[Koala](http://github.com/arsduo/koala) is a new Facebook library for Ruby, supporting the Graph API (including the batch requests and photo uploads), the REST API, realtime updates, test users, and OAuth validation.  We wrote Koala with four goals:
 
 * Lightweight: Koala should be as light and simple as Facebook’s own new libraries, providing API accessors and returning simple JSON.  (We clock in, with comments, just over 750 lines of code.)
 * Fast: Koala should, out of the box, be quick. In addition to supporting the vanilla Ruby networking libraries, it natively supports Typhoeus, our preferred gem for making fast HTTP requests. Of course, That brings us to our next topic: