[MacPorts] #60614: Travis: Create hosts file to work around DNS resolution failures

[MacPorts]

#60614: Travis: Create hosts file to work around DNS resolution failures
-----------------------------+---------------------
  Reporter:  ryandesign      |      Owner:  admin@…
      Type:  defect          |     Status:  closed
  Priority:  Normal          |  Milestone:
 Component:  server/hosting  |    Version:
Resolution:  fixed           |   Keywords:
      Port:                  |
-----------------------------+---------------------

Comment (by ryandesign):

 It appears that this didn't help, and that the Travis outages are full
 network outages, not just DNS outages.

 https://travis-ci.org/github/macports/macports-ports/jobs/704146039:

 {{{
 fatal: unable to access 'https://github.com/macports/mpbb.git/': Failed to
 connect to github.com port 443: Operation timed out
 }}}

 https://travis-ci.org/github/macports/macports-ports/jobs/704146044:

 {{{
 curl: (7) Failed to connect to dl.bintray.com port 443: Operation timed
 out
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/60614#comment:3>
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