added untracked files
added contact page
Used helper to dynamically change page title
changed Home page title to include only base title
Added navi bar and home page sign up button
put header, footer to partials
changed customer.css to scss nested format
changed #777 to gray-light
change all the color to use variables in customer.scss
changed routes in config/route.rb
added test to test all links
changed logo link to home page
added signup page for new users
added validation for blank user name
added validation of blank email
added name, email max length validation
added email uniqueness validation
added email uniqueness validation on database level
added user password authentication