Update README.md

Author: benjchristensen

README.md

@@ -11,8 +11,8 @@ It is compatible with Java 5 and newer and has several <a href="RxJava/tree/mast
 ## Code
 
 - <a href="RxJava/tree/master/rxjava-core">Java Core</a>   
-  - <a href="RxJava/blob/master/rxjava-core/src/main/java/org/rx/reactive/Observable.java">Observable</a>
-  - <a href="RxJava/blob/master/rxjava-core/src/main/java/org/rx/reactive/Observer.java">Observer</a>
+  - <a href="RxJava/blob/master/rxjava-core/src/main/java/rx/observables/Observable.java">Observable</a>
+  - <a href="RxJava/blob/master/rxjava-core/src/main/java/rx/observables/Observer.java">Observer</a>
 - <a href="RxJava/tree/master/language-adaptors/rxjava-groovy">Groovy Adaptor</a>   
 - <a href="RxJava/tree/master/language-adaptors/rxjava-jruby">JRuby Adaptor</a>   
 - <a href="RxJava/tree/master/language-adaptors/rxjava-clojure">Clojure Adaptor</a>