salt-lint the salt/codespeed directory (#266)
salt-lint the salt/codespeed directory (#266)

invocation: `tox -e lint $(find salt/codespeed -type f -name '*.sls'| xargs)`
zware/psf-salt,python/psf-salt,python/psf-salt,python/psf-salt,zware/psf-salt,zware/psf-salt,python/psf-salt,zware/psf-salt