[Trac #449] game controller integration

[Zarro Boogs per Child]

#449: game controller integration
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 Reporter:  walter  |        Owner:  Eben   
     Type:  task    |       Status:  new    
 Priority:  high    |    Milestone:  BTest-2
Component:  sugar   |   Resolution:         
 Keywords:          |  
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Comment (by jg):

 Note that the game controller buttons won't be distinguisable from
 the keyboard keys until BTest 2.

 See #358.

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Ticket URL: <http://dev.laptop.org/ticket/449#comment:2>
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