Ticket [746d0abb21] - Doc update of various packages, about TLS policy
considerations. Text placed in new location for common/shared text
blocks.

Affected packages
- autoproxy
- comm
- imap4
- ldap
- oauth
- pop3
- rest
- S3 (amazon-s3)
- SASL::XGoogleToken
- smtp
- smtpd
- transfer
- websocket
Regenerated the embedded documentation
Added more nntp example apps: "pullnews", plus "dirstore" for a trivial backing store of inbound messages.
Fix stupid typo in format-spec :( of pullnews
pullnews - And handle missing articles (skip and continue)
Fix trunk split.
Sync latest trunk changes into the critcl work.