[MacPorts] #31501: unify py*-sphinx, and update to 1.0.8

[MacPorts]

#31501: unify py*-sphinx, and update to 1.0.8
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 Reporter:  jmr@…             |       Owner:  macports-tickets@…                           
     Type:  update            |      Status:  new                                          
 Priority:  Normal            |   Milestone:                                               
Component:  ports             |     Version:                                               
 Keywords:                    |        Port:  py-sphinx py25-sphinx py26-sphinx py27-sphinx
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 Diff against py27-sphinx attached. If you don't want to be listed as co-
 maintainer, just say the word.

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Ticket URL: <https://trac.macports.org/ticket/31501>
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