fixed github link

Author: mykiwi

src/Acme/MainBundle/Resources/views/layout.html.twig

@@ -37,7 +37,7 @@
 
     <div class="row">
         <div id="banner" class="span12">
-            <a href="https://github.com/symfony-cmf/cmf-standard"><img style="position: absolute; top: 0; right: 0; border: 0;" src="http://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"/></a>
+            <a href="https://github.com/symfony-cmf/symfony-cmf-standard"><img style="position: absolute; top: 0; right: 0; border: 0;" src="http://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"/></a>
 
             <div class="hero-unit">
                 <h1 id="logo-text"><a href="{{ path('/cms/simple') }}">Standard Edition</a></h1>