[Merge] lp:~zulcss/nova/lxc into lp:~ubuntu-server-dev/nova/havana

[Adam Gandelman]

Review: Needs Fixing

Can you please cleanup pep8 and add unit tests?

I'm concerned shipping this before its even been proposed upstream, especially if its not shipping without any test coverage.  I'd be okay if it had tests run at package build time and you also integrated this driver as something we deploy and exercise as part of lp:openstack-ubuntu-testing. 
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https://code.launchpad.net/~zulcss/nova/lxc/+merge/187796
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