zoom: return addinfo="proxy failure" for proxy failures
authorAdam Dickmeiss <adam@indexdata.dk>
Sat, 21 Apr 2012 08:24:44 +0000 (10:24 +0200)
committerAdam Dickmeiss <adam@indexdata.dk>
Sat, 21 Apr 2012 08:27:16 +0000 (10:27 +0200)
This commit also changes the scheme for dealing with proxies a bit.
zoom now always do "proxy-check", even if there's no failover.
Fortunately, that's not very expensive.


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