added specs for update and edit actions of the user
created code for edit user and make the tests pass
added specs for require login in update info
created before filter for the controller and make this tests pass again
added specs for friedly redirect
created methods for check how can get the previous url
added correct redirects
created specs for the index page
created index view
installed faker gem
created rake task for populate database
added gems for the pagination
added specs for the pagination
configured will_paginate on the view
refactor html on index view
created a new migration for admin users
created specs for test the delete action
created delete action
deleted users only admins
Merge branch 'updating-users'