Fix Recaptcha error in Lightbox and move advanced title functionality over from Bootstrap 3.

themes/bootstrap/js/lightbox.js

@@ -91,7 +91,17 @@ var Lightbox = {
   changeContent: function(html, headline) {
     var header = $('#modal .modal-header');
     if(typeof headline !== "undefined") {
-      header.html(headline);
+      var h2 = html.match(/<h2>([^<]*)<\/h2>/);
+      if(h2) {
+        header.find('.modal-title').html(h2[1]);
+      } else {
+        var pLead = html.match(/<p class="lead[^>]*>([^<]*)<\/p>/);
+        if(pLead) {
+          header.find('.modal-title').html(pLead[1]);
+        }
+      }
+    } else {
+      header.find('.modal-title').html(headline);
     }
     if(header.find('h3').html().length == 0) {
       header.css('border-bottom-width', '0');
@@ -187,7 +197,7 @@ var Lightbox = {
       $('#modal .modal-body').prepend('<div class="alert alert-error">'+message+'</div>');
     }
     $('.icon-spinner').remove();
-    if (Recaptcha && Recaptcha.widget) {
+    if (typeof Recaptcha !== "undefined" && Recaptcha.widget) {
       Recaptcha.reload();
     }
   },