[MacPorts] #48464: vcs_blackbox @1.20150730 Update to latest upstream

[MacPorts]

#48464: vcs_blackbox @1.20150730 Update to latest upstream
------------------------+--------------------------------
 Reporter:  tal@…       |      Owner:  macports-tickets@…
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.3
 Keywords:  maintainer  |       Port:  vcs_blackbox
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 New upstream of vcs_blackbox.
 github.setup and checksums updated.

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Ticket URL: <https://trac.macports.org/ticket/48464>
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