2.0.0

CHANGES:

This is a breaking release since the binaries to be installed have been revised
and merged. The albatross-client-local is now albatross-client [--socket],
albatross-provision-ca is now albatross-client sign or albatross-client generate. The albatross-client-remote is now albatross-client certificate.
The albatross-client-bistro is now albatross-client <command> --destination <host> --ca ca.pem --ca-key ca.pem --server-ca cacert.pem.

And finally, albatross-tls-inetd is now albatross-tls-endpoint --inetd.

• Document TLS usage (#155, #156 @TheLortex @hannesm)
• Improve TLS experience by providing more reasonable error messages and apply
  more checks before establishing a TLS session (#157 @hannesm @reynir)
• Slim down binaries:
  • remove albatross-stat-client binary (#161 @hannesm)
  • move X509 parts out of Albatross_cli (#158 @reynir)
  • merge albatross-tls-inetd with albatross-tls-endpoint (#160 @hannesm)
  • merge albatross-client-inspect-dump into albatross-client (#161 @hannesm)
  • merge albatross-provision-ca and albatross-provision-request into
    albatross-client (#159 @reynir @hannesm)
  • merge albatross-client-remote and albatross-client-bistro and
    albatross-client-local into albatross-client (#162 @hannesm)
• Check solo5 ABI tender version, allow multiple solo5 tenders to exist (named
  as solo5-{s,h}vt. (#163 @hannesm)
• Improve documentation and manpages (#164 @hannesm)