Update README.md

Author: benjchristensen

README.md

@@ -1,2 +1,12 @@
-RxJava
-======
+# RxJava
+
+Java implementation of <a href="https://rx.codeplex.com">Rx Observables</a>
+
+<a href="http://netflix.github.com/RxJava/">Javadoc</a>
+
+Code:
+
+- <a href="https://github.com/Netflix/RxJava/tree/master/rxjava-core">Java Core</a>   
+- <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-groovy">Groovy Adaptor</a>   
+- <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-jruby">JRuby Adaptor</a>   
+- <a href="https://github.com/Netflix/RxJava/tree/master/language-adaptors/rxjava-clojure">Clojure Adaptor</a>