Create application
Add lib and autoload
Install Gems
Add Welcome controller
Add Home controller
Add User model
Add Post, Url, Timeline model
Config routing
Edit views
Edit User model
Edit models
spec_helper.rb: Include FactoryGirl
Add tests
Edit README
Edit models
Update Gems
Update Rails 3.2.9
Add validation for Post model
Add Hugeurl(Short URL expander)
Use SSL (production)