* Release binaries are now provided via <https://releases.hashicorp.com>.
* Packer 0.9.0 is now built with Go 1.5. Future versions will drop support
for building with Go 1.4.
* Inline `user_data` for EC2 is now base64 encoded automatically.
* builder/amazon: Inline `user_data` for EC2 is now base64 encoded automatically [GH-2539]
* builder/parallels: `parallels_tools_host_path` and `guest_os_distribution` have been replaced by `guest_os_type`; use `packer fix` to update your templates [GH-2751]