ubuntu-minimal:
build-essential:
python-dev:
python3-dev:
libssl-dev:
libffi-dev:

ubuntu-minimal:
build-essential:
python-dev:
python3-dev:
libssl-dev:
libffi-dev:
shellcheck:

Add shellcheck to bonnyci standard image
Add shellcheck to bonnyci standard image

We use it in two of our own tests, and it seems worth it to simply have
it available for everyone.

Signed-off-by: Clint Byrum <1e115feeab9474b9d680e5528024201af6e7722f@fewbar.com>
