[Change] track external ssh2, revert to ganymed 210build

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Change] move *.sas into .\sas\*.sas

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Change] create @wrds with wrds and sas2csv method

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] wrds_install

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>