javanna 107ab2d71d Rest Client: add callback to customize http client settings
The callback replaces the ability to fully replace the http client instance. By doing that, one used to lose any default that the RestClient had set for the underlying http client. Given that you'd usually override one or two things only, like a couple of timeout values, the ssl factory or the default credentials providers, it is not uder friendly if by doing that users end up replacing the whole http client instance and lose any default set by us.

Original commit: elastic/x-pack-elasticsearch@03adca6f62
2016-07-12 12:31:40 +02:00
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