Update database configuration instructions

Make sure to include both SQLite and MySQL configuration options.

site.cfg

@@ -2,10 +2,15 @@
 # with the database.
 # dbi:<driver name [SQLite, CSV, ADO, mSQL, etc.]>:<database name>
 [DBI]
-database: mysql
+# Configuration for SQLite (uncomment following settings)
-driver: dbi:mysql:database=hpr_hpr:hostname=localhost 
+#driver: dbi:SQLite:hpr.db 
-user: hpr-generator
+#user: (unused -- leave blank)
-password: zBozqN-Z2zNAz
+#password: (unused -- leave blank)
+# Configuration for MySQL (uncomment and update following settings)
+#database: mysql
+#driver: dbi:mysql:database=hpr_hpr:hostname=localhost 
+#user: hpr-generator (suggested user with read only permissions)
+#password: ********* (password created for user)
 
 # Configure the root template page which pulls in the navigation and 
 # content templates used by each page. An optional baseurl property may