Fix tables, clean popups.

Imagemap on categories is now broken, need to see how to fix

doc/synopsis/template.html

@@ -13,10 +13,10 @@ $if(keywords)$
   <meta name="keywords" content="$for(keywords)$$keywords$$sep$, $endfor$" />
 $endif$
   <title>$if(title-prefix)$$title-prefix$ – $endif$$pagetitle$</title>
+  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
 $for(css)$
   <link rel="stylesheet" href="$css$" />
 $endfor$
-  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
 $if(math)$
   $math$
 $endif$