Italian translation fixes
Bootlint for User Comments.
Merge branch 'release-2.3' of https://github.com/vufind-org/vufind into release-2.3
Proper columns in hierarchy tree.
Fixed typos.
Duplicate ids in list-entry dropdowns fix.
Solr config adjustments.
- Added boolean dynamic field type to biblio schema (fixes bug: expected by existing deduplication listener).
- Fixed indentation of a couple of lines in biblio solrconfig.xml.
Per column cart support checking and logic compression.

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
Remove bulk code.
supportCart should be false by default.
Extend per column cart support to stack-left and stack-right.

Conflicts:
	themes/bootstrap3/templates/combined/stack-left.phtml
	themes/bootstrap3/templates/combined/stack-right.phtml
Combined search css update.
Remove future feature from release.
Next page/items button rearrange in VuDL. Implemented per list button display. Redesigned next/prev item interface.
AjaxTabs now uses url to create ajax url.
Convert htmlentities in OCR to prevent tags from accidentally forming.