LPS-49937 implement delete folder action
LPS-49937 add permissions action
LPS-49937 cleanup parent selection view

Make the move_article.jsp and new_parent.jsp not assume the parent is a
KBArticle.

Also, when selecting a new parent, show its name and priority in the UI.
LPS-49937 Delete should return the folder being deleted. Renamed it to deleteKBFolder.
LPS-49937 Fix compile error
LPS-49937 Auto SF
LPS-49937 Autogenerated
LPS-49937 SF
LPS-49937 SF
LPS-49937 How was this sorted? It was neither logical nor alphabetical.