Consistency check for citations string

Don't try to check save statuses if the user is not logged in.

Lightbox fixes

Fixed refreshing tag list after adding a tag (refreshTagList() doesn't work with the event parameters).

- checked for languages en de es fr it pt ru cs sv da sl si

- Thanks to Jay Roos.

Break our less file into smaller component files to make customization easier and follow more commonly accepted practices.

- Resolves VUFIND-1156.
- Thanks to Jay Roos.

Check makeDynamicCovers setting so that false actually works (ini rea…

Lightbox: Added error handling in ajax call and button handling also for lightbox forms outside lightbox. Added also the possibility to ignore a form inside lightbox or a button inside lightbox form.

Include details about the url's in the VuFind.lightbox.login event so that different action can be initiated based on the values.

Don't use window.location.reload() to refresh the page because it would warn about any POST parameters (e.g. login right after changing language).

Fixed a PHP notice when adding a record to a list with tags disabled.