move main-image to partial _image.html.erb in product_details page
move thumbnails-images to partial _thumbnails.html.erb in product_details page
move            <div class=row> to partial _thumbnails.html.erb in product_details page
move social-banners to partial _social_banners.html.erb in product_details page
move info_tabs(manufacturer, etc) to partial _info_tabs.html.erb in product_details page
move related-products to partial _related_products.html.erb in product_details page
create and use partials on product_details page
include google-fonts-script
fix some styles
Merge branch 'product_page'
Merge branch 'header'