Add appdb/tables/create_tables script to run the sql necessary to create and

setup appdb tables.  Add app_category.sql and session_list.sql from Jeremy,
without these the database wasn't handling logins correctly and had no
categories.  README now has some instructions on how to setup a local appdb.
Modified config.php.sample to point to apidb to match what is in the sql in
appdb/tables.  Sql for table creation to use "if exists" to prevent data
base errors on trying to drop tables that don't exist.

README

@@ -3,3 +3,16 @@ WineHQ Application Database
 Authors:
     Jeremy Newman <jnewman@codeweavers.com>
     Charles Leop <charles@codeweavers.com>
+
+To install locally for testing/hacking:
+- Symlink from /var/www to the appdb directory
+- Copy include/config.php.sample to include/config.php
+- Edit include/config.php as you see fit, the default name of the database 
+  used in the table creation step below is "apidb", you'll have to modify 
+  these files if you change this in config.php
+- cd tables, run ./create_tables to create the database tables
+- Try to open up localhost/appdb, if you get a directory listing
+  Edit your /etc/apache/httpd.conf "DirectoryIndex" to include index.php 
+  so apache will open index.php after not finding index.html/index.htm etc
+- Check your /etc/php/php.ini to ensure that 'register_globals = On' as the 
+  appdb uses globals and won't work correctly without this