recent-uploads: move rendering to js

* loads 50% faster, reducing server-load by 30%

* inhibits search engines from indexing it

* eyecandy (filter applies automatically on edit)

tests/util.py

@@ -275,8 +275,6 @@ class VHttpSrv(object):
         self.gurl = Garda("")
 
         self.u2idx = None
-        self.ptn_cc = re.compile(r"[\x00-\x1f]")
-        self.uparam_cc_ok = set("doc move tree".split())
 
     def cachebuster(self):
         return "a"