Add base target tag

resources/edit.html

@@ -9,6 +9,7 @@
   <script src="//cdnjs.cloudflare.com/ajax/libs/marked/0.3.5/marked.min.js" type="text/javascript"></script>
   <script src="//cdnjs.cloudflare.com/ajax/libs/blueimp-md5/1.0.1/js/md5.min.js" type="text/javascript"></script>
   <script src="/js/publishing.js" type="text/javascript"></script>
+  <base target=_new>
 </head>
 
 <body onload="onLoad()" style="height: 100%">
@@ -35,4 +36,4 @@
   </div>
 </body>
 
-</html>
+</html>