Issue #2341415 by scotself: Custom event to react to atomProtect firing
Issue #2369615 by chaby: DnD library should allow content for object and param tags (scald_audio)
Issue #2363517 by NerOcrO: $atom->base_entity is missing on audio provider
Issue #1799166 by NerOcrO, jcisio: Clean up DnD library CSS
"Insert" link should not be displayed on Atoms Library page
Issue #2354537 by mariacha1: Expose new "created" and "changed" fields to views
Fixed: initialize player settings with default values when switching player