Merge branch 'docker-client-64' into remove-geard-608
Start switching over from GearClient to DockerClient.
More gear->docker renaming.
Split base box from dev box.

This is just a copy-paste, at the moment.
Rewrite tutorial config.
Share cleaup script.
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.
Require setuptools, since we use entrypoints.
Unpin zope.interface version.

fedora has pushed an updated, and setuptools complains.
We don't need symlinks, just relative paths.
Accept the version we used to require of setuptools.
Download zfs keys (i.e. zfs-release package) over https.
Use s3 URL for zfs-release package.

There is no good way to securly delegate HTTPs URLs.
Script for building boxes.
Update documentation.