updated home page text
updated navbar
installed authenticatio nand authorization gems
installed devise gem
added devise user model with additional fields
few ui updates
added devise layout
updated all gems
generated devise views
basic sign up process
html for sign up form updated
reinstalled devise
updated gemfile
added role and admin to user
improved style for sign up page
sign up with specs
login and sign up updated
added friendly id for users
root path for authenticated user
updated layout for pages controller