SFTP: Changed default value of Sftp.Encoding to UTF-8.
SCP: ScpSettings.EnablePutFilesRemotePathWorkaround is now set to 'false' by default.
SSH: ECDSA X.509 certificates in SSH - Added support for 'x509v3-ecdsa-sha2-nistp256', 'x509v3-ecdsa-sha2-nistp384' and 'x509v3-ecdsa-sha2-nistp521' SSH host key and client key algorithms (as specified by RFC 6187).