Create product page
Add bootstrap
Create manage layout
Complete Basic manage layout
Create basic seed file
Gemfile, add anjlab-widgets, font-awesome-rails
application.js, manage.js, require needed js
application.css, manage.css, require needed css
application.rb, change timezone
add quantity, sell_at columns to Product
Complete dashboard index
Complete products index
products_controller, fix routing problem
Complete add product form
change header, add meta viewport