change /res/ URLs to /thread/ so our quote links don't reload the page

src/General/Main.coffee

@@ -16,7 +16,8 @@ Main =
           'index'
     if g.VIEW is 'thread'
       g.THREADID = +pathname[3]
-      if pathname.length > 4
+      if pathname[2] isnt 'thread' or pathname.length > 4
+        pathname[2] = 'thread'
         history.replaceState null, '', pathname.slice(0,4).join('/') + location.hash
 
     # flatten Config into Conf