[Bugs] #4003 Imageviewer UNSP: ImageViewer: Add gesturest support to zoom/rotate

[Sugar Labs Bugs]

#4003: ImageViewer: Add gesturest support to zoom/rotate
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    Reporter:  godiard                    |          Owner:  godiard    
        Type:  enhancement                |         Status:  new        
    Priority:  Unspecified by Maintainer  |      Milestone:  0.98       
   Component:  Imageviewer                |        Version:  Unspecified
    Severity:  Unspecified                |       Keywords:             
Distribution:  Unspecified                |   Status_field:  Unconfirmed
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 As detailed in [1], we should implement gestures to zoom and rotate in
 ImageViewer activity.


 [1]
 http://wiki.laptop.org/go/User:Godiard/Touch_plan_activities#Image_Viewer_.28AC.29

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Ticket URL: <http://bugs.sugarlabs.org/ticket/4003>
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