add devise gem
install devise
configure for devise
generate default devise views. need to delete ones not using
generate devise user
migrate devise user model
deleted rails  default index view
authenticate_user! before filter for entire app
run rspec:install
migration file for takss
wip task migration file and root route setup
root to static pages #home
root path is exception to authenticate user before filter
add users controller and users view folder
add username field to user