Summary:
Via HackerOne. A researcher correctly reports that our install scripts use `HTTP`, not `HTTPS`, to fetch resources and execute them as `root`, which is a potentially significant vulnerability.
Instead, use `HTTPS`.
Test Plan: Verified that these URIs function correctly over `HTTPS`.
Reviewers: chad
Reviewed By: chad
Differential Revision: https://secure.phabricator.com/D16958