NSM: show trash
NSM: fix trash item ID
NSM: add multi drag&drop to tree view
NSM: update interfaces
NSM: copy, move, trash, untrash items
NSM: GetTrashedItems method
NSM: update interface
NSM: add context menu
NSM: fix restoring items my drag&drop
NSM: add url to StorageItem
NSM: add Copy Url method
NSM: add exports support
NSM: add export possibility