Includes front end re-write to use the outliner widget for the thread pane.
Improvements in scrolling, folder loading, message display, replyto time, sorting, selecting, deleting, the list goes
on and on.
enjoy =).
a news message. the problem is we were never notifying the folder
that the DeleteOrMoveMsgCompleted event happened. other code cleanup
to consolidate some common code. r=alecf
#34355, for a new pop server, the copies and folders prefs should point to the pop server,
not the local server.
#22889, #37464, news article urls not displaying, and they causing autosubscribe to happen.
#36661, fix problems with autosubscribe / article url problem, if they happen before
we migrated and if there is no accounts.
#8216, a successful cancelling of a news posting removes message from thread pane
r=alecf