Bumped up required version of PHP

5.3 as requirement at the top of quick start page can be misleading, so I changed it to 5.4.

Author: Naktibalda

quickstart.html

@@ -9,7 +9,7 @@
       <h1>Codeception Quickstart Guide</h1>
       <p class="lead">Codeception PHP Testing Framework is designed to work just out of the box. This means its installation requires minimal steps and no external dependencies preinstalled (except PHP, of course). Only one configuration step should be taken and you are ready to test your web application from an eye of actual user.</p>
       <p>
-        <strong class="text-info text-uppercase">Requirements: PHP5.3, CURL enabled</strong>
+        <strong class="text-info text-uppercase">Requirements: PHP 5.4, CURL enabled</strong>
       </p>
     </div> <!-- /.col -->
   </div> <!-- /.row -->