Merge branches 'CloakUserHost', 'QuitOnHTTP' and 'bug72-WHOIS-List'

Merge branches 'CloakUserHost', 'QuitOnHTTP' and 'bug72-WHOIS-List'

* CloakUserHost:
  Add a note not to use a percent sign ("%") in CloakHost variable
  Rename ClientHost to CloakHost, and ClientUserNick to CloakUserToNick
  Don't use "the.net" in sample-ngircd.conf, use "example.net"
  ngircd.conf.5: document "ClientHost" and "ClientUserNick"
  Move "ClientHost" and "ClientUserNick" to end of [Global] section
  ClientUserNick setting
  ClientHost setting

* QuitOnHTTP:
  Only "handle" HTTP commands on unregistered connections
  Don't use IRC_QUIT_HTTP() if STRICT_RFC is #define'd
  IRC_QUIT_HTTP(): enhance error message
  Move IRC_QUIT_HTTP() below IRC_QUIT()
  quit on HTTP commands: GET & POST

* bug72-WHOIS-List:
  Add "whois-test" to testsuite and distribution archive
  Add support for up to 3 targets in WHOIS queries.