More extensible listener creation; code cleanup.
Make hl.fl setting configurable via searches.ini.
Revamped lightbox. Now register form handlers. No more callback stack. Open and close stack.
Merge branch 'master' of https://github.com/vufind-org/vufind
Lightbox error display bug.
Minor style tweaks. Bootstrap.
Unified array key 'create' between holds and storage retrieval requests. Fixed hold logic and storage retrieval request logic to work separately.
Merge pull request #89 from KDK-Alli/requestfix1

Unified array key 'create' between holds and storage retrieval requests....
Style fix.
Removed debug.
Configurable export options.
Fixed bug: citation option not suppressed when unsupported.
More module.config.php closure refactoring.
Improved comments.
More module.config.php refactoring.
Autocomplete factory refactoring.
More config refactoring -- DB tables.
More config refactoring -- hierarchy drivers.
Bug fix / comment improvement.
Config refactoring - tree data sources.