add courseware controller and routes

models/Courseware.js

@@ -14,8 +14,7 @@ var coursewareSchema = new mongoose.Schema({
     difficulty: String,
     description: Array,
     tests: Array,
-    challengeSeed: String,
-    challengeEntryPoint: String
+    challengeSeed: String
 });
 
 module.exports = mongoose.model('Courseware', coursewareSchema);