Lightbox: Add ability to filter Ajax response to selector
Merge pull request #6153 from dubbs/patch-2

Lightbox: Add ability to filter Ajax response to selector
[Feeds] Added the ability to specify the number of entries to load and to display independently.
[Feeds] Added the logic to trigger displaying pagination in feeds.
[Feeds] Added the logic to trigger disabling the previous and next in the pagination in feeds.
Feeds: Added ability to switch between next/previous pages.
Feeds: Partially fixed disabled pagination logic issues.
Feeds: Enhancements to feeds pagination.
Should resolve General items 2 and 3 under issue #6173.
Feeds: Set the focus to the first element in the list after triggering pagination.
Merge remote-tracking branch 'upstream/feeds-pagination' into feeds-pagination