[Trac #773] Implement frame rollovers

[Zarro Boogs per Child]

#773: Implement frame rollovers
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 Reporter:  marco   |       Owner:  dcbw     
     Type:  defect  |      Status:  new      
 Priority:  normal  |   Milestone:  Untriaged
Component:  sugar   |    Keywords:           
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 The design specify all the icons on the frame should have rollovers. Also
 the icon background will turn black immediately when hovering the icon.
 That will also replace the current buddy color highlighting.

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Ticket URL: <http://dev.laptop.org/ticket/773>
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