added showcase page
Merge branch 'develop' into mahfuz

Conflicts:
	config/routes.rb
Merge branch 'mahfuz' into develop
Merge branch 'develop' into mahfuz
revert application layout
updated showcase page
updated showcase page
updated design of showcase page
updated design of cart section of showcase page
updated JS for cart in showcase page
added instruction for showcase page
updated instructions for showcase page
removed showcase-item-qt from over the product image
working on home page
Merge branch 'mahfuz' into develop
Checkout page in progress
added carousel slider in homepage
added iphoneCarousel slider in homepage
completed design of backorder-summer section in homepage
completed design of homepage