Added user approval when approving their changes.
Removed the obsolete secret key acquisition function in the library since page
signing has not been done for several revisions.
1 Done!
2 (Introduce ACLs in order to hide queued pages, thus defeating spammers by hiding
3 their spam. This should be done when handling the pre-save event on the queued
4 page so that direct editing of a queued page is unable to get around this
5 measure.)