Fix settings environment for docs builds.
Review Request #5398 — Created Feb. 4, 2014 and submitted — Latest diff uploaded
Fix settings environment for docs builds.
The docs still had several scripts using setup_environ. This method has been
deprecated since 1.4, and now that we're on 1.6, it's gone entirely. This
change switches over to the environment variable approach.
Built the codebase and manual docs.