[MacPorts] #50646: upgrade salt from v2014.1.13 to v2015.8.5

[MacPorts]

#50646: upgrade salt from v2014.1.13 to v2015.8.5
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  Reporter:  jeremy.mcmillan@…  |      Owner:  cr@…
      Type:  update             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:
      Port:  salt               |
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Comment (by mf2k@…):

 Some notes:
  - The {{{revision}}} line should be deleted because it starts at 0 when
 increasing the version and that is the default value.
  - Please do not modify the {{{# $Id:}}} line. It may mean you have edited
 on old version of the Portfile.

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Ticket URL: <https://trac.macports.org/ticket/50646#comment:2>
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