[MacPorts] #43494: tree @1.6.0 update to 1.7.0

[MacPorts]

#43494: tree @1.6.0 update to 1.7.0
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 Reporter:  john@…    |      Owner:  macports-tickets@…
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.2.1
 Keywords:  haspatch  |       Port:  tree
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 Per summary; 1.7.0 was released on 2014-04-25.

 Patch to Portfile attached. Note that with this release we can drop patch-
 caseinsensitive.diff.

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Ticket URL: <https://trac.macports.org/ticket/43494>
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