Move the crypto/bn regression test one directory deeper in preparation for
it getting siblings.
Simple regress test for the amd64 bn_mul_mont bug found by Joyent
( https://github.com/joyent/node/issues/7704 ), about to be fixed in
libcrypto.
Hook in the aead regress.
Add a skeleton regress for crypto/bio, which currently only covers
BIO_get_port() and fails since the current code believes that "-1" is a
valid port.
remove use of internally-deprecated OPENSSL_malloc/free
disable warnings about constant addresses in gcc 4.6 and later
do not include <openssl/modes.h>, modes_lcl.h already does