Cache things in vagrant base image.
+x
Update main Vagrantfile with version.
Reorder dependencies in base Vagrantfile and rpm spec.

Making them match the order of `setup.py` makes it easier to verify that they are
complete.
Add some more [dev] dependencies to the image.
Address review comments.
Shorter line.
Add some hints about testing locally.
Sketch of how this will work and what the tests will look like.
Got tests working with LocalVolumeManager.
Implement tests and RemoteVolumeManager.
Switch VolumeService to use the higher-level IPC interface.
Make flake8 happy.
Add interface implementation.
Clarify docstring.
Another docstring clarification.
initial SSH configuration on flocker-deploy
added test for successful SSH configuration and output of authorized_keys file
little cleanup on now redundant code
Rewrap. Remove unused imports