only extract archives if they exist
OpenSUSE 12.3 ISO Build: Adding autoyast changes to support firstboot configuration.
Merge pull request #1934 from cloudsleuth/pull-req-master-8020547ea8af2de6f54b33d0983ced21c820435c

OpenSUSE 12.3 ISO Build: Add autoyast firstboot configuration action. [1/1]
Merge pull request #1930 from jtwill98/pull-req-master-65f1be85982e0220aa73fb6e2862cbf290b62fc6

Only extract archives if they exists in the build [1/1]
Prepare for Cloud 3.0