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'
Merge remote-tracking branch 'vufind-org/master' into development