[Varnish] #1206: Pass shouldn't honor IMS/INM if the backend doesn't

[Varnish]

#1206: Pass shouldn't honor IMS/INM if the backend doesn't
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 Reporter:  drwilco  |       Type:  defect
   Status:  new      |   Priority:  normal
Milestone:           |  Component:  varnishd
  Version:  trunk    |   Severity:  normal
 Keywords:           |
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 Right now if a backend replies with a 200, Varnish will apply If-Modified-
 Since and If-None-Match, even in pass-through mode.

 Patch will follow, snagging ticket number for testcase.

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1206>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator