- Fix handling of labels
- Ignore records with no 'item'

* xml gets converted to json
* changed signature of DAIA driver: instantiated with DateConverter
* refactored DAIA code for more hooks for customize modules
* several bugfixes
* reports always success to Autoconfigure ILS-Test querying id "1" (not a valid DAIA id)

Get rid of action="" in forms (not valid in HTML5)-pt2

Get rid of action="" in forms (not valid in HTML5)-pt2, there were some action="" left, now they're gone.
Reference: https://github.com/vufind-org/vufind/pull/369

Show Lightbox title also for bulk action buttons.

- Thanks to Milton Shintaku.

- More concise code.
- More consistent indentation.