Homepage updates

- Homepage: banner image pager tabs moved down below image to prevent
obscuring of images.
- Homepage: Expanded category titles to 16px font size.
- Homepage: Added category description sections to each category.
Awaiting data and styling feedback.
- Homepage: Corrected banner image pager tab bug where tabs were not
showing which image slot was currently being shown.
- Product page: Corrected bug where our price: header was displaying if
no msrp price was displayed. Now properly hides when no price is
available.
- Product Page: Began troubleshooting of the tabs issue causing crashing
of the product page.