Introduce sequelize migrations to create and migrate database tables and removed database scripts. See http://sequelizejs.com/docs/latest/migrations

Created seeds to initialize database with dummy tasks.
Introduce config module to handle configurations per environment. See https://github.com/lorenwest/node-config
Updated README.md to reflect changes.

db/seed/initial_tasks.js

@@ -0,0 +1,12 @@
+var config = require('config'),
+  	orm = require('../../orm').configure(config.get('database')),
+  	Tasks = require('../../db/models/task').instance(orm);
+
+Tasks.create({content: 'Welcome to HackFlowy!', isCompleted: false});
+Tasks.create({content: 'An open-source WorkFlowy clone', isCompleted: false});
+Tasks.create({content: 'Built using Backbone + Socket.IO', isCompleted: false});
+Tasks.create({content: 'I pulled this together in a few hours to learn Backbone', isCompleted: false});
+Tasks.create({content: 'Feel free to try it out and hack on it', isCompleted: false});
+Tasks.create({content: 'Good Luck!', isCompleted: false});
+
+orm.sync();