require rpm-build in sb2 target as well.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
Make the files seen by the guest appear to have 700 file permissions. This is needed to allow fussy ssh clients to work.

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Add --import to target to allow existing targets to be pulled into SDK

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Better wording for the SDK welcome text

Signed-off-by: David Greaves <david.greaves@jollamobile.com>