Append the path to the active page in the Onion-Location header so th…

…at users aren't taken back to the home page if they switch to .onion

_includes/head.html

@@ -2,7 +2,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta http-equiv="onion-location" content="http://qubesosfasa4zl44o4tws22di6kepyzfeqv3tg4e3ztknltfxqrymdad.onion" />
+  <meta http-equiv="onion-location" content="http://qubesosfasa4zl44o4tws22di6kepyzfeqv3tg4e3ztknltfxqrymdad.onion{{ page.url | replace:'index.html',''}}" />
 
   <title>
     {% if page.title and page.title != site.title and page.layout != 'home' %}