- Resolves VUFIND-1260.

- Thanks to Roland Keck for reporting this bug.

- If 'links' is undefined, do not throw a notice.
- Do not define unused $channelLinkData variable.

- Resolves VUFIND-1253.

- Only add to item/save queue if absent (prevents multiple placeholders)
- Namespace pending classes
- Fix overzealous de-queing
- De-chain jQuery manipulations for clarity

- Fix library card selection in holdings screen when the tab is loaded asynchronously.
- Fix username comparison to be case-insensitive.

- Fixes VUFIND-1249.

- New configurable option allows passwords to be either validated or ignored.

* Add hunt.js. Rewrite check_item_status for hunt.

* Add checkSingleItemStatusAjax.

* Check Save Statuses. Parameter fixes.

* eslint

* Rewrite checking all item statuses.

* Rewrite checking all save statuses.

* Update to Hunt 3.0.0.

* eslint

* Duplicate code reduction.

* eslint

* Remove individual functions to reduce and decrease redundancy.

* Queue up and combine AJAX requests. 200ms delay.

* Remove need for container element passing.

* Fix Javascript problems.

* Fix JS problems of elements prematurely being deleted and hiding not sticking.

* Check all statuses if Hunt not found.

* Fix save statuses.

* Fix intermittent drops and how did saved lists ever work?

* Avoid parallel item status lookups.

* Style fix.

* Add AJAX serialization to save statuses.

* Fix ajax-pending class

* eslint catch.

* Add Hunt scrolling to openurl embedding.

* eslint

* saveRunning clearing.

* Fix loading display. Fix result display edge-cases.

* Fix savedList reloading.