Switch to relative latest plugin assets

Change-Id: Id055dca84f5d905ac1d9734e6c4c631df27f4fe5
diff --git a/plugin/src/main/resources/assets/templates/export.ftl b/plugin/src/main/resources/assets/templates/export.ftl
index 4f6cb3a..94d059f 100644
--- a/plugin/src/main/resources/assets/templates/export.ftl
+++ b/plugin/src/main/resources/assets/templates/export.ftl
@@ -4,8 +4,8 @@
   <head>
     <meta charset="UTF-8">
     <title>Export</title>
-    <script src="${assetPath}/js/korap-plugin-0.2.1.js"></script>
-    <link href="${assetPath}/css/kalamar-plugin-0.2.1.css" type="text/css" rel="stylesheet" />
+    <script src="${assetPath}/js/korap-plugin-latest.js"></script>
+    <link href="${assetPath}/css/kalamar-plugin-latest.css" type="text/css" rel="stylesheet" />
   </head>
   <body>
     <div class="banner" data-note="Experimental"></div>