[Merge] ~cpete/ubuntu-dev-tools:add-running-autopkgtests into ubuntu-dev-tools:main

[Chris Peterson]

Good point. I've updated it to now to include some basic unit tests. I also included copyright notices in the new files. Is GPLv3 fine or does it need to be downgraded to v2?
-- 
https://code.launchpad.net/~cpete/ubuntu-dev-tools/+git/ubuntu-dev-tools/+merge/459002
Your team Ubuntu Development Team is subscribed to branch ubuntu-dev-tools:main.