Feature/falaise 3 - Githubissues

[x] Have you followed the guidelines for contributing?
[x] Have you checked that there aren't other open pull requests for the same formula update/change?
[x] Have you built your formula locally with brew install --build-from-source <formula>, where <formula> is the name of the formula you're submitting?
[x] Does your build pass brew audit --strict <formula> (after doing brew install <formula>)?

Initial PR for testing dependencies. Also a test of using brew pull to do so.

SuperNEMO-DBD / homebrew-cadfael