Nikos Mavrogiannopoulos authored Oct 11, 2016 and Nikos Mavrogiannopoulos committed Oct 14, 2016

That is, the functions gnutls_certificate_set_known_dh_params(),
gnutls_anon_set_server_known_dh_params(),
gnutls_psk_set_server_known_dh_params().
These functions allow to statically set the DH parameters, based
on the RFC7919 FFDHE parameters. This can simplify server configuration
by allowing DH without loading parameters from file.

Relates #37