Fix App.jsx two-page workflow JSX render and update study app layout

node_modules/xml/lib/escapeForXML.js

@@ -0,0 +1,18 @@
+
+var XML_CHARACTER_MAP = {
+    '&': '&',
+    '"': '"',
+    "'": ''',
+    '<': '&lt;',
+    '>': '&gt;'
+};
+
+function escapeForXML(string) {
+    return string && string.replace
+        ? string.replace(/([&"<>'])/g, function(str, item) {
+            return XML_CHARACTER_MAP[item];
+          })
+        : string;
+}
+
+module.exports = escapeForXML;