#2 Add table for colors. Users will search by these colors.
#2 Add color gem
#2 Calculate distance between colors.[t:3:40]
#2 Add search color id to picture colors table
#2 Add select color bar in pages#home. Save it in session.
Issue #2 Add and call scope to search by color
Issue #2 Remove prints. Add color search bar. Add JS and CSS to search by color.[t:3:51]
#2 Remove repeated colours.[t:0:38]
#2 Fix SQL exceptions. Order product picture according searched color.[t:1:46]
#2 Paginate after filtering by color
#2 Remove old code.
#2 Fetch products from different controllers.[t:1:29]
Merge branch 'color-search'

Conflicts:
	app/assets/stylesheets/theme.css.scss
	app/controllers/pages_controller.rb
	app/views/collections/show.html.erb
	app/views/collections/show.js.erb
	app/views/pages/home.html.erb
	app/views/pages/home.js.erb
	app/views/products/_product.html.erb
	app/views/products/index.html.erb
	app/views/products/index.js.erb
#2 Adjust element ids. Some styling. Show picture matching color.[t:0:34]