Fix Ubuntu integration tests.

Ubuntu changed the name of the software-properties package, breaking tests. Details here: https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/439566
Minor spelling change.
Optimize imports.
Auth system unit testing framework.

* Setup testing classes and imports
* Test load_name()
Add supervisord.options function

I wrote this while troubleshooting a bug that it turned out was already
fixed, but this function seemed useful enough, so here it is.