[Bugs] #2858 UNSP: Sugar control panel help returns None

[Sugar Labs Bugs]

#2858: Sugar control panel help returns None
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    Reporter:  greenfeld                  |          Owner:             
        Type:  defect                     |         Status:  new        
    Priority:  Unspecified by Maintainer  |      Milestone:  0.92       
   Component:  sugar                      |        Version:  0.92.x     
    Severity:  Minor                      |       Keywords:  11.2.0     
Distribution:  OLPC                       |   Status_field:  Unconfirmed
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 Using the Terminal activity, command lines like the following return
 "None" for available help/values:

  * sugar-control-panel -h timezone
  * sugar-control-panel -h languages {formally just "language" ?}

 http://wiki.laptop.org/go/Sugar_Control_Panel implies that they should
 show useful information, typically a list of available options.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/2858>
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