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.
Fix deprecated attribute is_completed (now isCompleted)
Changed configuration parameters' names to match sequelize nomemclature
Fixed seed/initial_tasks data which created tasks in a non-sequential order (tested on Postgres)
Added production-like example configuration
Merge pull request #16 from desyncr/integrate-sequelize-migrations

Introduce sequelize migrations