Updated/fixed integration tests. Moved 'pull busybox' out of setUp(). Commented out logs streaming test

Support get and load image

Fix joining of unicode and byte strings in python3

Check logs response in unit tests, and fix log integration tests for
py3.

remove_image and remove_container : new params

Avoid version duplication

Added Client.ping() method

Added dns_search parameter to client.start()

logs support for api v1.11 new endpoint

Universally-compatible reading of chunked streams

memory swap limit support

Add NetMode to hostConfig in start

Legacy volume binds

Signed-off-by: Maxime Petazzoni <max@signalfuse.com>

Added ability to specify the full build context

From api 1.10 dns and volumes_from should be passed to start()