zepto-mescake

Updated from https://github.com/yoyoren/mescaketouch. It's a cake store on palm device written by zepto, nodejs, express and mysql.

1. create schema mescake
2. run sql script db/mescake.sql
3. update mysql's url, user, password on line 2, 5, 6 of file includes/db_connection.js
4. run 'npm install'
5. start nodejs by 'node bin/www'
6. access site by url 'http://localhost'