changes disk size for virtualbox

Signed-off-by: Simon Thulbourn <simon+github@thulbourn.com>
adds increased logging

Signed-off-by: Simon Thulbourn <simon+github@thulbourn.com>
alters the way the createFlags is used.. perhaps a hack?

Signed-off-by: Simon Thulbourn <simon+github@thulbourn.com>
now has the ability to parse flags

Signed-off-by: Simon Thulbourn <simon+github@thulbourn.com>