How to upgrade Antville from version 1.0.x to 1.1pre1:

1. Backup your Antville database to a safe place.
2. Apply the SQL patch named antville_dbpatch20030728.sql
   (Database patches are located in db_support/patches.)
3. Copy the file convertSites.hac into the root directory of 
   your Antville instllation.
4. Start (or restart) Helma.
5. Point your browser to http://localhost:8080/convertSites
   (you might need to modify this URL according to your local settings.)
6. Apply the SQL patch named antville_dbpatch20030729.sql
7. Stop and restart Helma.