Simplify code for heroku

Author: bananaappletw

lib/models/index.js

@@ -14,8 +14,9 @@ dbconfig.logging = config.debug ? logger.info : false;
 
 var sequelize = null;
 
+// Heroku specific
 if (process.env.DATABASE_URL)
-    sequelize = new Sequelize(process.env.DATABASE_URL, dbconfig.username, dbconfig.password, dbconfig);
+    sequelize = new Sequelize(process.env.DATABASE_URL);
 else
     sequelize = new Sequelize(dbconfig.database, dbconfig.username, dbconfig.password, dbconfig);