first step
add carousel
add login link
change application.rb, fix carousel autostart
fix carousel autostart
add products migration
add fixed size into img, wrap into thumbnail div
move carousel into store/index
some fix of store page
drop old css
add home page
add some styles
centered carousel
tune up image carousel
thumbnails for images
change text of placeholders
split thumbnail into categories
card div styled
use @products in carousel
minor style fix