bundle install and basic config for rspec
Users scaffolding add
twitter bootstrap install and implemented for users
user model spec and users controller spec add
users controller updated to new public api
User Resources Add

 * User scaffolding Add
 * RSpec for Model & Controller
 * Code Refactor for Maintainability
destroy method updated to archive to store keep all the data
devise gem add for authentication
devise migration add to user model
user authentication by devise gem add to the app
User Authentication Add

 * Devise gem add to the app
 * Devise engine migration add
 * User sign in page add for deveise gem
 * Modificaiton on users index page
User Authentication Add

 * Devise Gem Add for User Authentication
 * Users Index Page update for new look