MAJOR: ssl: bind configuration per certificat

crt-list is extend to support ssl configuration. You can now have
such line in crt-list <file>:
mycert.pem [npn h2,http/1.1]

Support include "npn", "alpn", "verify", "ca_file", "crl_file",
"ecdhe", "ciphers" configuration and ssl options.

"crt-base" is also supported to fetch certificates.
6 files changed