A better way to bootstrap and share resources between host and guest boxes by mapping in the GitHub checkout as a shared folder on the guest. Also updated Chapter 3's use of a CSV file to take this into account
Updated Welcome notebook with new details on how the entire checkout is mapped in as a shared folder
Adding some missed imports
Moving bootstrap_complete.txt to a more appropriate location
Fixing bad path in first check of bootstrap_complete.txt
Updating .gitignore files