add user model, migration, controller
add simple user migration
add user factory using FactoryGirl
add user validations with tests
add email validations and test to user model
add users routes
add User GET controller methods, tests
add POST create to UsersController, tests
add PATCH #update to UsersController, tests
add DELETE #destroy method to UsersController, tests
add basic create user feature test, welcome controller
add basic login feature test, login form view
add SessionsController, sessions routes
add SessionsController, tests
add logged in? logic in ApplicationController, changed session[:id] to session[:user], took login/signup from welcome to application layout
add Sessions#new view, route, working login feature test
 add logout feature, tests, login module
add edit user with tests
add delete user feature, tests
Merge pull request #2 from jackysum/user

User