Move assets to assets/
Upgrade to middleman-hashicorp
Tell Rack to cache /assets
Merge pull request #1564 from mitchellh/sethvargo/middleman-hashicorp

Use middleman-hashicorp
Adding hieradata to the puppet masterless provisioner as it only
copies manifest and modules at the moment.
Fixed fixed bad negitative if statement, fixed tests.

  * tests pass.
Adding in remote upload
Adding return for hieradata upload