* Update sass-rails.
* FIX: Tilt dependency has been removed from Ember::Handlebars::Template.
* Update `DiscourseIIFE` to new Sprockets API.
* `Rails.application.assets` returns `nil` in production.
* Move sprockets-rails out of the assets group.
* Pin ember-rails to 0.18.5 which works with Sprockets 3.x.
* Update sprockets to 3.6.0.
* Make `DiscourseSassCompiler` work with Sprockets 3.
* Use `Sass::Rails::SassImporterGlobbing` instead of haxxing our own.
* Moneky patch so that we don't add dependencies for our custom css.
* FIX: Missing class.
* Upgrade ember-handlebars-template.
* FIX: require path needs to share the same root as the folder's path.
* Bump discourse-qunit-rails.
* Update ember-template-compiler.js to 1.12.2.
* `prepend` is private in Ruby 2.0.0.
As far as I can tell, sprockets has always expected the third argument to be a
`Pathname` object. Not sure what actually changed and why it was working before,
but it now throws a `NoMethodError` for `dirname` on `String` in
`Context#resolve`
# , not sure why this was working before
