Portability and explicitness

"Explicivity" is not a word.

Switch to hashicorp/go-msgpack

Clean VMX step should always remove floppy.

builder/qemu: Updates to QEMU builder - Fix -redir and machine type issues

make docker-push work with docker-tag artifacts

website: Add all boot commands from source to docs.

website: Minor edits

website: Update chef-solo.html.markdown

website: Update amazon.html.markdown

post-processor/parallels: Removed unnecessary filling the Vagranfile

website: ec2:ModifyImageAttribute already included in the sample policy

providers/aws: Ignore transient network errors when fetching AWS state.

website: Update example to match parameter.

provisioner/ansible: Colorize Ansible output, and don't buffer output.

provisioner/shell: single quote env var values.

Setting environment variables for the ansible-playbook invocation.

ANSIBLE_FORCE_COLOR will ensure output is colorized.  PYTHONUNBUFFERED will stream output as Ansible runs, vs getting a big dump of output at the end.