missing div closing tag
* rework examples:
  - DRY up examples
  - define test data in store
* update the carousel html vs raising an error when no model is defined
fix bug with thumbnails not being visible when 1 page
examples
* add 3 more images to allow testing up to 3 pages
* move slide test data to slide store
fix issues with paging indicators not displaying correctly & thumbs from
inactive pages not being hidden
update for slide data moved to slide example store
* keep the footer page in sync with the active slide
* cache the calculation result of thumbs per page for perf