- Resolves VUFIND-1036
- Thanks to Ere Maijala for catching the bug

- Fixed some bad parameters
- Made some code more compact
- Used an invokable where a factory was unnecessary

- This makes it possible to use this tab with non-WorldCat records, as long as they have an OCLC number.

- This functionality makes more sense as part of the RecordTab object.

Revert the commit that un-implemented the combined stack features in release-2.3. Necessary to let happy merging continue.

Next page/items button rearrange in VuDL. Implemented per list button display. Redesigned next/prev item interface.

Next page/items button rearrange in VuDL. Implemented per list button display. Redesigned next/prev item interface.

- Implemented unit test.

This is for institutions who have procured larger per day transfer
limits; it looks like the only way to do this now is by IP or using this
token/secret mechanism.

Bootstrap3 fix (showCart not implemented yet, see searchtools pull request). Style fix in CombinedController.php

- This commit addresses a limitation in the original solution to VUFIND-1011.
- A new validateCredentials() method has been added to differentiate password checks from login attempts.

Conflicts:
	module/VuFind/src/VuFind/Controller/CombinedController.php
	themes/bootstrap3/templates/combined/results-list.phtml
	themes/bootstrap3/templates/combined/results.phtml
	themes/bootstrap3/templates/combined/stack-distributed.phtml
	themes/bootstrap3/templates/combined/stack-left.phtml
	themes/bootstrap3/templates/combined/stack-right.phtml
	themes/bootstrap3/templates/search/list-list.phtml
	themes/bootstrap3/templates/search/results.phtml

- Created dummy options/params/results for more realistic testing.

- Includes tests.