In some cases the E1000 NIC type is the only acceptable value. Since
defaulting causes breakages to existing boxes, leave the default value
as `nil` but check the VirtualBox version in use and print warning to
user if VirtualBox version is vulnerable and E1000 NIC types are
configured for use within defined network adapters.
This is a big commit, and I apologize in advance for the future
git-blames all pointing to me. This commit does a few things:
1. Merges the website/docs and website/www repo into a single website repo
to be in line with other HashiCorp projects
2. Updates to use middleman-hashicorp
3. Converts less to scss to be in line with other projects
4. Updates page styles to be in line with other projects
5. Optimizes images
6. Prepare for S3 + Fastly deployment with scripts, etc.
7. Removes blog posts (they have been transferred to hashicorp.com with
redirects in place
8. Updated sitemap generation script for better SEO
9. Fixed many broken links
10. Add description to all fields