Multiple minor improvements and bugfixes regarding the new templates:

Multiple minor improvements and bugfixes regarding the new templates:

  * 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