Merge branch 'docker-client-64' into remove-geard-608
Start switching over from GearClient to DockerClient.
More gear->docker renaming.
Merge branch 'docker-client-64' into remove-gearclient-712

Conflicts:
	flocker/node/functional/test_docker.py
Fix imports to point at new module location.
Reimplement autoloading of -data container behavior from geard.
Reference issue to get rid of duplication.
Reference issue to fix this.
Remove more references to gear.
Merge branch 'docker-client-64' into remove-gearclient-712
Merge remote-tracking branch 'refs/remotes/origin/master' into remove-gearclient-712
Lint fixes.
Correct version of docker-py.
Merge remote-tracking branch 'refs/remotes/origin/master' into remove-gearclient-712
More gear references to kill.
Merge remote-tracking branch 'refs/remotes/origin/master' into remove-gearclient-712

Conflicts:
	python-flocker.spec.in
Merge pull request #747 from ClusterHQ/remove-gearclient-712

Remove gear client in favor of docker.

Author: @itamarst
Reviewer: @tomprince
Fixes #712.