[Trac #266] dbench needs to be in the base image

[Zarro Boogs per Child]

#266: dbench needs to be in the base image
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 Reporter:  jg       |       Owner:  blizzard
     Type:  defect   |      Status:  new     
 Priority:  blocker  |   Milestone:  BTest-1 
Component:  distro   |    Keywords:          
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 For stress testing in the factory.

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Ticket URL: <http://dev.laptop.org/ticket/266>
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