Reviewed-by: NRichard Levitte <levitte@openssl.org>

Also remove two mistakenly checked-in files.
Reviewed-by: NDr. Stephen Henson <steve@openssl.org>

Document the libssl and command line application aspects of async.
Reviewed-by: NRich Salz <rsalz@openssl.org>

If something was "present in all versions" of SSLeay, or if it was
added to a version of SSLeay (and therefore predates OpenSSL),
remove mention of it.  Documentation history now starts with OpenSSL.

Remove mention of all history before OpenSSL 0.9.8, inclusive.

Remove all AUTHOR sections.
Reviewed-by: NTim Hudson <tjh@openssl.org>

L<foo|foo> is sub-optimal  If the xref is the same as the title,
which is what we do, then you only need L<foo>.  This fixes all
1457 occurrences in 349 files.  Approximately.  (And pod used to
need both.)
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Remove OPENSSL_NO_BUF_FREELISTS. This was turned on by default,
so the work here is removing the 'maintain our own freelist' code.
Also removed a minor old Windows-multibyte/widechar conversion flag.
Reviewed-by: NAndy Polyakov <appro@openssl.org>

Reviewed-by: NRich Salz <rsalz@openssl.org>

handling out of #ifndef OPENSSL_NO_DTLS1 section.
Reviewed-by: NRich Salz <rsalz@openssl.org>