pipelines: plan b: install supervisor early and restart it before ansible

pipelines: also install pip

pipelines: hitting a supervisor bug, let's see if this helps It looks like an image problem, let's try another distro. (https://github.com/Supervisor/supervisor/issues/121)

pipelines: fetch package lists first, obviously

pipelines: install sudo (for become)

pipelines: apparently multiple steps means just do the first and then fail

pipelines: write valid yaml Pipelines don't yet support multiple steps, but let's see what happens.

pipelines: let's try this

fruitbar: it's a todo app, one word

tests: split another long line (bundle_re)