provisioner/salt: install salt
provisioner/salt: pass args to bootstrap
provisioner/salt: docs
provisioner/salt: copy local state tree to remote, run highstate
provisioner/salt: document 3c1f142
provisioner/salt: put state tree temporarily in /tmp/salt by default
provisioner/salt: simple tests
provisioner/salt: use cmd.StartWithUi
provisioner/salt-masterless: rename
Merge pull request #220 from rgarcia/salt-provisioner

provisioner/salt-masterless: masterless salt provisioner