Patch rails.js from rails/jquery-ujs to make it honor jQuery Mobile data-ajax

rails.js.diff

diff --git a/src/rails.js b/src/rails.js
index 06b4e0b..49ff0b2 100644
--- a/src/rails.js
+++ b/src/rails.js
@@ -174,6 +174,11 @@
 
       if (target) { form.attr('target', target); }
 
+      var ajax = link.data('ajax');
+      if (ajax !== undefined) {
+        form.attr('data-ajax', ajax);
+      }
+
       form.hide().append(metadata_input).appendTo('body');
       form.submit();
     },