[MacPorts] #41375: sumo: update to 0.18.0

[MacPorts]

#41375: sumo: update to 0.18.0
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 Reporter:  ryandesign@…  |      Owner:  jens.fahnenbruck@…
     Type:  update        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.2.1
 Keywords:  haspatch      |       Port:  sumo
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 This patch updates sumo to 0.18.0, fixes the livecheck, updates the
 homepage, rewrites the master_sites to avoid redirects.

 It's untested because sumo does not build on the two systems I have
 readily available (Mavericks: #40960; Leopard: #41374).

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Ticket URL: <https://trac.macports.org/ticket/41375>
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