Move copy process and fontsource classes to separate package `cli`
Create .bakery.yaml inside root of repo. Move bakery process to Bakery class
Use genmetadata.py as importable module in bakery process
bakery result tests now saved into .tests.yaml of root the repo
Extract result tests and autofix to Bakery class
Merge pull request #336 from googlefonts/fontbakery-py-command-line-interface

Fontbakery py command line interface