Add support for displaying a slide thumbnail for the crumb navigation
* simplify the css for thumbnails
* add new mode for text-only thumbnails
* first set of changes for paging thumbnails - not complete
new nav buttons
* Refactor from store to associated models
* Add example page
* remove deprecated store code & class
* View
  - Do not show footer/nav when no slides are defined
  - Rename fields according to models

* Models
  - Rename fields

* Examples
  - Remove store reference
  - Update field names
  - Add example when no slides are defined
Specify an object with the model field names for advanced customization;
use field name properties for renderTpl
* add example for starting at a custom index
* misc variables & docs
* fix bug when last index was exceeded
* add 'slide_num' field to slide for sorting purposes
* change delay from milliseconds to only seconds - use decimals if that
granularity is really necessary
* add example for sorted data
specify the mouse cursor
* convert to all div tags for markup: a) avoids the unused a.href
attribute, b) consistency, c) avoids using anchor tags, which may be
monitored for event delegation
* update cursors for other nav/display elements
verify a record is found in case no slides are exist but the container
is clicked