* includes AD in authentication check of TLS records
As per 5.2 of TLS 1.3 draft-28, the additional data is record header.
* tests: Update tests in order to support draft-28
* Interoperability: Updates NSS and BoringSSL versions to the
one supporting draft-28
* Bogo: Updates revision number to use tests for draft-28
* FIX: makefile was using test-compat target instead of
test-interop
* DC test: constify
* Use binary interface to encode in big-endian
* Changes tests so that they pass with draft-23
* BoringSSL interoperability: uses code at most recent commit. It uses
"-tls13-variant draft23" flag to indicate compatibility with draft23
* NSS interoperability: Uses release 3.35
* PicoTLS interoperability: blocked. Doesn't seem to implement draft23
* Uses updated bogo from
https://github.com/henrydcase/crypto-tls-bogo-shim
Force boringssl client and server to use draft 22 instead of draft 18.
Other clients (tstclnt from NSS, picotls) support only draft 22.
Disable mint, it only supports draft 21.
