Added git files to the Debian 7.1 VM files/ folder (to upload during provisioning).
Added root .zshrc and ZSH theme to files/ folder to upload during provisioning.
Added vagrant user's .zshrc and ZSH theme to files/ folder to upload during provisioning.
Added .zshenv to files/ folder to upload during provisioning.
Moved disk zeroing to the cleanup script; git rid of the disk zeroing script and it's call in the JSON template.
Moved apt package installs to a new, separate apt.sh script.
Moved VirtualBox cleanup to the cleanup script; deleted cleanup-virtualbox.sh.
Remove call to the VirtualBox cleanup script, since it no longer exists.
Added Git provisioning script.
Added Vim provisioning script.
Added ZSH provisioning script.
Turn off and disable iptables.
Increased disk size to 40GB.
Increase default memory size to 1024MB.