BIO_new, etc., don't need a non-const BIO_METHOD. This allows all the
built-in method tables to live in .rodata.
Reviewed-by: Richard Levitte <levitte@openssl.org>
which is redundant. They are now in their own document.
Also, in the name section, all the functions described shoud be
enumerated. This will also make it much simpler to generate softlinks
name like each function to man-pages containing the info.