Move the cts128 and gcm128 tests to regress.
Import the OpenSSL libcrypto tests in a form suitable for our rergress
infrastructure.
The following tests have not been imported, for their code lacks a licence:
asn1, rsa, sha256, sha512, wp.
Build these tests with WARNINGS=Yes and -Werror, and do the necessary
fixes to keep building.
remove use of internally-deprecated OPENSSL_malloc/free