Merge pull request #124 from codidact/luap42/tour

app/assets/javascripts/tags.js

app/assets/javascripts/tour.js

app/assets/stylesheets/tour.scss

app/controllers/tour_controller.rb

app/helpers/tour_helper.rb

app/models/user.rb

app/views/tour/end.html.erb

app/views/tour/index.html.erb

app/views/tour/more.html.erb

app/views/tour/question1.html.erb

app/views/tour/question2.html.erb

app/views/tour/question3.html.erb

config/routes.rb

public/assets/codidactyl.png

public/assets/tour-clippy.png

public/assets/tour-evil.png

test/controllers/tour_controller_test.rb