Expose the HttpClient

[amihaiemil]

Docker should have the HttpClient :: httpClient() method to return the underlying Apache http client.

This is in order to provide some extensibility -- the user should be able to make raw HTTP calls to Docker's API in case the library does not yet provide the API method in question. This is especially important in the case of LocalDocker for which the HttpClient is quite hard to configure (it needs to use unix sockets).

Apache's HttpClient object is immutable so there should not be any danger in exposing it.

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The job #165 assigned to @amihaiemil/z, here is why; the budget is 30 minutes, see §4; please, read §8 and §9; if the task is not clear, read this and this; there will be no monetary reward for this job

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Job gh:amihaiemil/docker-java-api#165 already assigned to @amihaiemil, can't assign to @amihaiemil

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Bug was reported, see §29: +15 point(s) just awarded to @amihaiemil/z

[amihaiemil]

@rultor release it, tag is 0.0.5

[rultor]

@rultor release it, tag is 0.0.5

@amihaiemil OK, I will release it now. Please check the progress here

[rultor]

@rultor release it, tag is 0.0.5

@amihaiemil Done! FYI, the full log is here (took me 5min)

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Job was finished in 32 hours, bonus for fast delivery is possible (see §36)