STARTTLS connection with built-in GnuTLS on IMAP/NNTP/POP folders

Kazuhiro Ito <[email protected]> Mon, 02 Apr 2018 19:34:53 +0900

Newsgroups	gmane.mail.wanderlust.general.japanese
Message-ID	<[email protected]>

I've committed the change which makes Wanderlust to use built-in GnuTLS
library for STARTTLS connection on IMAP/NNTP/POP folders.  But I've
tested only NNTP folder.  If there is any problem, let me know.

If you need the previous behavior, please adjust
elmo-network-stream-type-alist's value.

-- 
Kazuhiro Ito