[MacPorts] #49425: stellarium: Update to 0.14.0

[MacPorts]

#49425: stellarium: Update to 0.14.0
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  Reporter:  macports@…  |      Owner:  raimue
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  stellarium  |
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Comment (by gorticus):

 As of 2016-07-31, `v0.15.0` is out.  Quite a few
 [https://sourceforge.net/p/stellarium/news/2016/07/stellarium-0150/
 significant improvements].

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Ticket URL: <https://trac.macports.org/ticket/49425#comment:4>
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