make rebaseline_server properly handle unescaped URLs

gm/rebaseline_server/server.py

Index: gm/rebaseline_server/server.py
diff --git a/gm/rebaseline_server/server.py b/gm/rebaseline_server/server.py
index 8f59eb6895014c055b4c1efb4b0a1240d6d87247..f817597a0f69d72684c7b386a2a38b372ac1de97 100755
--- a/gm/rebaseline_server/server.py
+++ b/gm/rebaseline_server/server.py
@@ -475,8 +475,7 @@ class HTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
       #   /dispatcher/remainder
       # where 'dispatcher' indicates which do_GET_* dispatcher to run
       # and 'remainder' is the remaining path sent to that dispatcher.
-      normpath = posixpath.normpath(self.path)
-      (dispatcher_name, remainder) = PATHSPLIT_RE.match(normpath).groups()
+      (dispatcher_name, remainder) = PATHSPLIT_RE.match(self.path).groups()
       dispatchers = {
           GET__LIVE_RESULTS: self.do_GET_live_results,
           GET__PRECOMPUTED_RESULTS: self.do_GET_precomputed_results,