Modified attach-volume-to-instance-from-inst-detail-page test to select volume directly in chosen widget via clickAt instead of type in and then select highlighted
Added Autoscaling Ops sequence
Added scale up and scale down tests
Resolved diff in Volumes/attach-volume-to-instance-from-inst-detail-page.html
Merge pull request #1217 from eucalyptus/GUI-1422

Added autoscaling and launch config tests