Add RequireJS.js to files.json so that the cms jasmine tests will run without…

Add RequireJS.js to files.json so that the cms jasmine tests will run without erroring when importing RequireJS.

cms/static/coffee/files.json

@@ -3,6 +3,7 @@
     "/static/js/vendor/jquery.min.js",
     "/static/js/vendor/json2.js",
     "/static/js/vendor/underscore-min.js",
-    "/static/js/vendor/backbone-min.js"
+    "/static/js/vendor/backbone-min.js",
+    "/static/js/vendor/RequireJS.js"
   ]
 }