the config.php.sample to not refer to the actuall appdb site. Users may forget to update this
field and end up on the live site without realizing it and do some unintended damage.
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.