This feature is pretty much useless these days as browsers have builtin features to support the thag "<meta name='referrer'", so keep the setting page as clean as possible.
Also, avoid advertising it too much, because I'm pretty sure it doesn't work very well with markdown descriptions (as Parsedown have some trouble regarding URL detection (without MarkDown link tag)).
* Add API settings in `configure.html`
* Fix textarea autoresize
* Load user.css from data folder
* Move fold/expand all button to the right and fix an issue with already folded items
* Reset datetime display to international datetime
* Temporarilly remove JS login panel (need improvement and integration with the plugin system)
* Body background is slightly lighter
* Fix an issue where thumbnails were hidden by description
* Fix an issue where private orange bar wasn't displayed with thumbnails
* Remove the gradient bar behind titles
* Fix empty bookmarklet name in Firefox
