Fix: update server.js to use single quotes

RyanCCollins · web-flow · commit 3b7dd4b2148f · 2016-09-05T11:16:44.000-04:00
diff --git a/server.js b/server.js
@@ -1,2 +1,2 @@
-require("babel-core/register");
-var app = require('./server/app');
+require('babel-core/register');
+var app = require('./server/app');
