gtrdave17/sample_app — comment on commit f1290d59bf2b37f2ca9910beffec97456a63af1e
File:  line 0
By gtrdave17:

So that's the solution - setting config.assets.compile = true in config/environments/production.rb

This was per discussion here:
http://stackoverflow.com/questions/7300532/blueprint-css-rails-3-1-help