.htaccess

<IfModule mod_rewrite.c>
Options +FollowSymLinks +ExecCGI
RewriteEngine On
RewriteBase /

RewriteRule ^([A-Za-z0-9=\.]+)/?$ /?q=$1 [L]

# if the file or directory don't exist
RewriteCond %{REQUEST_FILENAME} -d [OR]
RewriteCond %{REQUEST_FILENAME} -f
RewriteRule .* - [L]

</IfModule>