implement wait for moderator

app/assets/javascripts/meetings.js

@@ -0,0 +1,29 @@
+$(document).on("turbolinks:load", function() {
+
+  var action = $("body").data('action');
+  var controller = $("body").data('controller');
+
+  // If the user is on the waiting screen.
+  if (controller == 'meetings' && action == 'wait') {
+
+    setTimeout(refresh, 10000);
+  }
+});
+
+// Send a request to the meeting wait endpoint.
+// This checks if the meeting is running on the
+// server and will auto join the user if it is.
+var refresh = function() {
+  $.ajax({
+    url: window.location.pathname,
+    type: 'POST',
+    data: {
+      unauthenticated_join_name: $('#unauthenticated_join_name_').val()
+    },
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded'
+    }
+  });
+
+  setTimeout(refresh, 10000);
+}

app/assets/stylesheets/users.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Users controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/