Removed SCSS and updated vendor dependecies.
Translation progress, courtesy of Hugo Agud.
Merge branch 'release-2.3'
LESS inclusion fix.
Merge branch 'release-2.3' of https://github.com/vufind-org/vufind into release-2.3
Removed unused variable.
Merge branch 'release-2.3'
Fixed advanced search slider madness and fixed a div broken between templates.
Merge branch 'release-2.3' of https://github.com/vufind-org/vufind into release-2.3
Merge branch 'release-2.3'
Translation tweak courtesy of Ere Maijala.
Merge branch 'release-2.3'
Italian translation fix

Fix trasnlation for component/host parts notes.
Merge branch 'release-2.3'
Populate lang attribute.
Smarter array handling in config writer (with tests).
Fix preview links in Bootstrap 3 and other show-hide bugs.
Merge branch 'release-2.3'
Search result preview padding styling.
Merge branch 'release-2.3'