Update README.rst

Author: astorfi

README.rst

@@ -18,13 +18,13 @@ Table of Contents
 Introduction
 ============
 
-JSON ([http://www.json.org/ JavaScript Object Notation]) is a highly portable, 
-human-readable and "[http://en.wikipedia.org/wiki/JSON fat-free]" text format 
+JSON (`JavaScript Object Notation <http://www.json.org/>`_) is a highly portable, 
+human-readable and " `fat-free <http://en.wikipedia.org/wiki/JSON>`_" text format 
 to represent complex and hierarchical data. It is as powerful as 
-[http://en.wikipedia.org/wiki/XML XML], but less verbose. JSON format is widely 
+ `XML<http://en.wikipedia.org/wiki/XML>`_, but less verbose. JSON format is widely 
 used for data-exchange in applications, and is essential for the wild success 
-of [http://en.wikipedia.org/wiki/Ajax_(programming) Ajax] and 
-[http://en.wikipedia.org/wiki/Web_2.0 Web2.0]. 
+of (programming) `Ajax<http://en.wikipedia.org/wiki/Ajax_>`_ and 
+ `Web2.0<http://en.wikipedia.org/wiki/Web_2.0>`_.
 
 UBJSON (Universal Binary JSON) is a binary JSON format, specifically 
 optimized for compact file size and better performance while keeping