* update consul and vault dependencies
* update triton sign call accorting to https://github.com/joyent/triton-go/pull/135
* Delete readme.md
* put back github.com/mitchellh/reflectwalk to v1.0.0 and explain why
* fix/fixer_pp_docker_tag_tags.go: simplify deduplication loop and keep seen/stable order
This brings packer into the same version of triton-go as that in Terraform, where we rewrote the package from a library with everything in 1 place to individual packages
I was able to successfully provision a machine on triton using this new change, you can find the output in the attached gist
https://gist.github.com/stack72/a64d745459107c5a16bcb156965597ce
* Fixed minor lint error.
* Added documentation for this builder in `triton.html.md`.
* Added (and updated) the needed Joyent Triton Cloud API Go libraries
to `vendor.json`.