[Pidgin] #452: Keyboard usability fixes

[Pidgin]

#452: Keyboard usability fixes
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Reporter:  yurik   |       Owner:  datallah       
    Type:  defect  |      Status:  new            
Priority:  minor   |   Component:  winpidgin (gtk)
 Version:  2.0     |    Keywords:                 
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 In any grouping view, left/right arrow keys should open/collapse branches.
 This is a typical behavior expected in a tree view.

 Thanks!!!

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Ticket URL: <http://developer.pidgin.im/ticket/452>
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