[Bugs] #2323 UNSP: add edit toolbar to sliderule

[Sugar Labs Bugs]

#2323: add edit toolbar to sliderule
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    Reporter:  walter                     |          Owner:  walter                     
        Type:  enhancement                |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  Sliderule                  |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:                             
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
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 after calculation, the values should be available to the clipboard

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Ticket URL: <http://bugs.sugarlabs.org/ticket/2323>
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