Convert packer.json to packer.yaml
Move root_passwd to variable

Conflicts:
	packer.yaml
Rename builder, do some cleanup

Conflicts:
	packer.yaml
Set root volume size

No need to make it mega-huge

Conflicts:
	packer.yaml
firewalld required to disable the firewall
YAML refactoring

Conflicts:
	Vagrantfile
	build.sh
	packer.yaml
	scripts/025-update.sh
	scripts/040-cleanup.sh
Handle updates

Back-porting a previous set of commits
Allow scripts to determine when they should be run

Simpler than listing builds with only/except.

Conflicts:
	packer.yaml
	scripts/020-vagrant.sh
	scripts/030-encheferize.sh
	scripts/050-zerodisk.sh
EPEL's been released for CentOS 7
Really fix slow DNS on VirtualBox
Sync Vagrantfile and vagrant post-processor

Conflicts:
	packer.yaml
Don't add extra consoles

Causes systemd to respawn agetty endlessly.