~singpolyma/dhall-ruby

ref: d79e79e33b434fb9dc21bbffcdc55662e6aeec7b dhall-ruby/.builds d---------
Update makefile with more helpers
Run all tests on CI
Run all tests in CI
Need dhall for build
Use git-extras for `git root` in build
Re-gen build files
Add backports for rubocop
Decoding Dhall from binary works