Breezy branding

Breezy (with that capitalisation) is the name of the project and our current implementation.

breezy is the name of the Python package.

brz is the command line tool.

Bazaar is the name of the old project, as well as the name of the formats.

bzr is the name of the old binary.

Slogan: “Like bzr, but with more b-s in”