OpenConnect v2.23 release

[David Woodhouse]

David Woodhouse (16):
      Handle proxy setting in NetworkManager, ignore unnecessary 'authtype'
      Add CSD support for NetworkManager auth dialog
      Return error on refusing to run CSD trojan, rather than exiting
      Update changelog
      Note DTLS support in 0.9.8m release
      Cope with server certs without SSL_SERVER purpose bit set, with old OpenSSL
      Fix SEGV on 404
      Print non-200 HTTP responses even without -v
      Print failing host name when getaddrinfo() fails
      Change mainloop idle message to look less like 'Did not work'
      Print notice about lack of DNS and routing if no --script
      Update instructions to note that script must be executable
      Fix Debian/kFreeBSD build
      Add --no-http-keepalive option to help work around Cisco incompetence.
      Update changelog
      Tag version 2.23

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse at intel.com                              Intel Corporation