inconsistency in use of 'setup' vs 'install' in fab commands

[benlk]

    wp.install                Downloads specified version of WordPress from https://github.com/WordPre...
    wp.tests.install_phpunit  Install phpunit on target environment

But:

    wp.tests.setup            Setup unit tests for a theme or plugin
    assets.bootstrap          Recrusively search for Gruntfile.js and package.json, run `npm install` ...