Ported basic-test.sh to test_basic.py, and folded in
Made a testing framework for shared components.
Got rid of default .stestr.conf, as we're going to have multiple tests
running, and one conf is confusing.
Manually ordering functional tests for now, as stestr noms too much
output, and runs things in parallel, which doesn't work for our
Skipping compute node test for now, as it won't work until we can
connect to a control node with databases and such.
Moved very-basic-test.sh to tools/make-a-microstack.sh. It's really
more of a tool for manual testing than an automated test.
Added test-requirements and updated gitignore.
Moved auto-detection of kvm extensions to init, rather than test, as
it makes more sense there.