Preview website setup instructions:

1. Install Apache, PHP 4 and Smarty.

2. Set Apache's DocumentRoot to WORKDIR/www (where WORKDIR is the location
   of this repository).

3. Add this line to some appropriate place in Apache's configuration:

        AddType application/x-httpd-php .html

4. Add the Smarty libs directory (/usr/share/php/smarty/libs in Debian) and
   WORKDIR/php to PHP's configuration (/etc/php4/apache/php.ini):

        include_path = ".:WORKDIR/php:/usr/share/php/smarty/libs"


Production website update instructions:

1. You need to have the preview website up and running on localhost.

2. Install sgrep.

3. Go to WORKDIR.

4. Run bin/sync.sh to wget and copy (using ssh) the preview website contents
   to scratchbox.org.  The updated website is published immediately at
   http://scratchbox.org/.