Abolished ActionController::Base.require_or_load in favor of require_dependency and ActiveRecord::Base.require_or_load in favor of require_association. Both methods are now also available in the global namespace when you need to require dependencies or associations outside of whats done automatically.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@32 5ecf4fe2-1ee6-0310-87b1-e25e094e27de