update highlight.js

Author: hauner

src/js/vendor/highlight.bundle.js

@@ -1,7 +1,7 @@
 ;(function () {
   'use strict'
 
-  var hljs = require('highlight.js/lib/highlight')
+  var hljs = require('highlight.js/lib/core')
   hljs.registerLanguage('asciidoc', require('highlight.js/lib/languages/asciidoc'))
   hljs.registerLanguage('bash', require('highlight.js/lib/languages/bash'))
   // hljs.registerLanguage('clojure', require('highlight.js/lib/languages/clojure'))