merged branch GromNaN/apache-config-qsa (PR #681)

This PR was merged into the master branch.

Discussion
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Suggest using QSA in apache config to get access to query parameters

A user had hard time finding why OAuth was not working on its Silex application (see https://github.com/GromNaN/FacebookServiceProvider/issues/1#issuecomment-16845793)

For the Apache doc: http://httpd.apache.org/docs/current/rewrite/flags.html#flag_qsa

Commits
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1cbb20e1 Suggest using QSA in apache config to get access to query parameters

doc/web_servers.rst

@@ -15,7 +15,7 @@ following ``.htaccess`` file:
         RewriteEngine On
         #RewriteBase /path/to/app
         RewriteCond %{REQUEST_FILENAME} !-f
-        RewriteRule ^ index.php [L]
+        RewriteRule ^ index.php [QSA,L]
     </IfModule>
 
 .. note::