Added <template> + default CSS (printshiv)

Author: brianblakely

src/html5shiv-printshiv.js

@@ -215,7 +215,9 @@
         // corrects block display not defined in IE6/7/8/9
         'article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
         // adds styling not present in IE6/7/8/9
-        'mark{background:#FF0;color:#000}'
+        'mark{background:#FF0;color:#000}' +
+        // hides non-rendered elements
+        'template{display:none}'
       );
     }
     if (!supportsUnknownElements) {
@@ -242,7 +244,7 @@
      * @memberOf html5
      * @type Array|String
      */
-    'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup main mark meter nav output progress section summary time video',
+    'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup main mark meter nav output progress section summary template time video',
 
     /**
      * current version of html5shiv
@@ -494,4 +496,4 @@
   // shiv for print
   shivPrint(document);
 
-}(this, document));
+}(this, document));