Conversion to packer
Do full system update after OS install
Oops, make changes to the correct files
Build in headless mode
Bump memory on both boxes to 512mb
Update docs
Make sure we're testing with the correct platforms
Fix the NAT settings
Fix thor tasks for Packer
Update docs
Update docs
Disable postfix
Merge branch 'master' of github.com:sendgrid/vagrant-boxes
Update docs
Reversed arguments
Fix clean and upload thor tasks
Update Vagrantfile version
Move package installation to provisioner, Add Vagrantfile.template for additional VM settings
Documentation
Miscellaneous performance updates