Sprockets is now working correctly

Gemfile

@@ -12,6 +12,8 @@ gem 'uglifier', '~> 2.1'
 gem 'octokit', '~> 1.24'
 gem 'git', '~> 1.2'
 gem 'rack-ssl', '~> 1.3'
+gem 'sprockets-sass', '~> 1.0'
+gem 'execjs', '~> 1.4.0'
 
 # Gems related to the use of awestruct
 group :awestruct do

Gemfile.lock

@@ -128,6 +128,9 @@ GEM
       tilt (~> 1.1, != 1.3.0)
     sprockets-helpers (1.0.1)
       sprockets (~> 2.0)
+    sprockets-sass (1.0.1)
+      sprockets (~> 2.0)
+      tilt (~> 1.1)
     temple (0.6.5)
     thor (0.18.1)
     tilt (1.4.1)
@@ -145,6 +148,7 @@ DEPENDENCIES
   awestruct (~> 0.5.2)
   bootstrap-sass (~> 2.3)
   compass (~> 0.12)
+  execjs (~> 1.4.0)
   git (~> 1.2)
   guard (~> 1.8)
   guard-rspec (~> 3.0)
@@ -160,5 +164,6 @@ DEPENDENCIES
   sinatra-contrib (~> 1.4)
   slim (~> 2.0)
   sprockets-helpers (~> 1.0)
+  sprockets-sass (~> 1.0)
   uglifier (~> 2.1)
   zurb-foundation (~> 4.2)

app.rb

@@ -1,5 +1,4 @@
 require 'sinatra/base'
-require 'sinatra/json'
 require 'json'
 require 'rack'
 require 'rack/ssl'
@@ -12,10 +11,9 @@
 module AwestructWebEditor
   class SecureApp < Sinatra::Base
     set :ssl, lambda { |_| development? }
-    register Sinatra::Sprockets::Helpers
 
     use AwestructWebEditor::PublicApp
-    use Rack::SSL, :exclude => lambda { |env| development? }
+    use Rack::SSL, :exclude => lambda { |_| development? }
 
     configure :development do
       require 'sinatra/reloader'

assets/sass/app.scss → assets/sass/app.css.scss

@@ -4,7 +4,7 @@
 // @import "compass";
 // Compiled the above into a static CSS file to save ~10 seconds every file save
 
-@import "start.css";
+@import "start";
 @import "compass/css3";
 
 * { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }
@@ -543,4 +543,4 @@ button, .button {
   &:hover {
     background:darken($green, 10%);
   }
-}
+}

config.ru

@@ -2,6 +2,9 @@ require 'rubygems'
 require 'bundler/setup'
 require 'sinatra'
 require 'slim'
+require 'sass'
+require 'compass'
+require 'uglifier'
 
 require File.join(File.dirname(__FILE__), 'app.rb')
 
@@ -12,8 +15,4 @@ map '/assets' do
   run AwestructWebEditor::PublicApp.sprockets
 end
 
-map '/font' do
-  run AwestructWebEditor::PublicApp.sprockets
-end
-
 run AwestructWebEditor::SecureApp