OpenSSH for Windows shows group and other/world permissions as *,
because those concepts do not exist on Windows. It also does not
show the current or parent directory, so we just ignore those.
Reviewed-by: Daniel Stenberg
Closes#5328
Reported by the new script 'scripts/copyright.pl'. The script has a
regex whitelist for the files that don't need copyright headers.
Removed three (mostly usesless) README files from docs/
Closes#5141
a new directory listing format that newer libssh2's can provide. This
is probably NOT sufficient to handle all directory listing formats that
server's can provide and should be revisited.