Added the cleanup script for Hyper.sh
Added the cleanup script for Hyper.sh

Script removes:
- Any Hyper container that runs or exists longer than 30 minutes. No Jenkins build running longer than 30 minutes will be able to survive from that
- Any Hyper image that os older than 1 day. Images that are currently used by any containers are not removed

rnveach/contribution,checkstyle/contribution,rnveach/contribution,checkstyle/contribution,checkstyle/contribution,rnveach/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution,checkstyle/contribution,checkstyle/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution