Add: Carousels to homepage - Progress
Add: Homepage Reviews, Sheaduling an more

Added: Reviews scroller, product carousels,  Banner scrolling with
manual sheaduling. Styled for Mobile, Tablet and Desktop.
Fix: Hide back to top on desktop
Fix: Tidy up homepage code
Fix: Incorrect style on perKG price-tag
Fix: Deal Price labeled as Our Price
Fix: Don't break if products array not found.
Add: Reviews to the global file
Fix: Remove speech marks from reviews
Fix: Tile styles for homepage
Fix: Allow single banner without Carousel
Merge branch 'feature'