Miek Gieben 558c34a23e middleware/proxy: healthchecks fixes (#183) ...

* middleware/proxy: add spray keyword

When spray is used, the proxy will, when all backend are down, spray to
each target. When not used, default to the old defaults: max 1 failure
and no spray. These defaults are also used when forwarding queries to
another CoreDNS instance.

Update the README with the new keyword.

* typos

* Make MaxFail = 1 again

* more reversals

2016-07-04 21:13:28 +01:00

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