Remove unused definitions (left over from Veewee)
Drop support for 32-bit boxes
Update VMWare tools installation
Remove Thor
Add Ubuntu headers to preseed
Better cleanup script
Don't update on boot
Bump CPUs and RAM
Remove old directory structure
Unify preseed by operating system (until we find an edge case)
Remove disk_size (Packer uses a sane default)
Unify Ubuntu templates
Remove Chef install.sh
Remove networking (not needed)
Exit on failure when installing vmtools.sh
Link VirtualBox Guest Additions
Fail when a bad version of guest additions is specified
Move sudoers configuration into the core vagrant definition
Fix networking issues on Ubuntu
Update Debian scripts for 6 and 7