Update site URL

Author: yyuu

pythons/index.html

@@ -23,7 +23,7 @@ <h2></h2>
         </header>
 
         <section id="downloads" class="clearfix">
-          <a href="https://github.com/yyuu/yyuu.github.com" id="view-on-github" class="button"><span>View on GitHub</span></a>
+          <a href="https://github.com/pyenv/pyenv.github.io" id="view-on-github" class="button"><span>View on GitHub</span></a>
         </section>
 
         <hr>
@@ -33,7 +33,7 @@ <h2></h2>
           <h3>Welcome to the pyenv's official mirror of Python archives.</h3>
 
 <p>The python-build, is a plugin of pyenv that allows users to install python from source,
-uses <a href="http://yyuu.github.io/pythons">http://yyuu.github.io/pythons</a> for faster downloads.</p>
+uses <a href="http://pyenv.github.io/pythons">http://pyenv.github.io/pythons</a> for faster downloads.</p>
 
 <p>You can enforce python-build to use optional mirror site with overriding <code>PYTHON_BUILD_MIRROR_URL</code>.</p>