Use Catalog Number and Custom Fields apps to add product page structure

(Includes hack to work around LR inserting BRs in an OL)
News precedes Catalog in the navigation menu
Hide ‘View All’ link from artist releases section
Show links after description on roster item page + add link styles
Add pagination styles
Reduce strong/b to 500 weight, and remove 30px padding from content container
Add defaults for Pinna social links