[MacPorts] #20732: python/py25-biopython version update from 1.49 to 1.51

[MacPorts]

#20732: python/py25-biopython version update from 1.49 to 1.51
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 Reporter:  mmoll@…             |       Owner:  mww@…           
     Type:  update              |      Status:  new             
 Priority:  Normal              |   Milestone:                  
Component:  ports               |     Version:  1.7.1           
 Keywords:                      |        Port:  py25-biopython  
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 See patch.

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Ticket URL: <http://trac.macports.org/ticket/20732>
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