dashboard: fix some errors during activity equality

circle/dashboard/static/dashboard/vm-details.js

@@ -330,7 +330,7 @@ function decideActivityRefresh() {
 
 /* unescapes html got via the request, also removes whitespaces and replaces all ' with " */
 function unescapeHTML(html) {
-  return html.replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&').replace(/&ndash;/g, "–").replace(/\//g, "").replace(/'/g, '"').replace(/ /g, '');
+  return html.replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&').replace(/&ndash;/g, "–").replace(/\//g, "").replace(/'/g, '"').replace(/&#39;/g, "'").replace(/ /g, '');
 }
 
 /* the html page contains some tags that were modified via js (titles for example), we delete these