Messed a little bit with users, getting rid of all of those soon after Devise is installed
Got rid of everything related to users
Set up Signin and Signout links using Devise
Associated User with Order
Perfected the Order index view
Added a user controller whose class is extended from Devise::RegistrationsController & created an All Users link
Define User abilities & Authorize different actions --Using cancan
Updated README
Updated whatever it is after reinstalling the broken OS
Make the links in the home page show based on user status
Commit for schema.rb
Resolve merge conflicts