[Findit] Re-org code.

appengine/findit/infra_clients/codereview/rietveld.py

Index: appengine/findit/infra_clients/codereview/rietveld.py
diff --git a/appengine/findit/common/rietveld.py b/appengine/findit/infra_clients/codereview/rietveld.py
similarity index 97%
rename from appengine/findit/common/rietveld.py
rename to appengine/findit/infra_clients/codereview/rietveld.py
index 51a02b888804e2d697dc58e2802ca9132ade686d..43e693738893e92720bb5ef9d4952cce20a418c6 100644
--- a/appengine/findit/common/rietveld.py
+++ b/appengine/findit/infra_clients/codereview/rietveld.py
@@ -16,14 +16,14 @@ import logging
 import re
 import urlparse
 
-from common.codereview import CodeReview
+from infra_clients.codereview import codereview
 from common.http_client_appengine import HttpClientAppengine
 
 
 _RIETVELD_ISSUE_NUMBER_RE = re.compile('^/(\d+)/?.*')
 
 
-class Rietveld(CodeReview):
+class Rietveld(codereview.CodeReview):
   """The implementation of CodeReview interface for Rietveld."""
   HTTP_CLIENT = HttpClientAppengine(follow_redirects=False)