Make many operations quieter.

pending_manager.py

Index: pending_manager.py
diff --git a/pending_manager.py b/pending_manager.py
index 15574dcf4f14aa4fe4b6858d3386ba939216e40e..22df74bbb9c1f3a788d58d221d43b8b729f8eef6 100644
--- a/pending_manager.py
+++ b/pending_manager.py
@@ -202,10 +202,12 @@ class PendingManager(object):
     """Returns True if this pending is worth looking at."""
     if not any(re.match(r, pending.base_url) for r in self.project_bases):
       # Not a repository managed by this instance, silently ignore.
+      logging.info('%s not in whitelist' % pending.base_url)
       return False
 
     if any(re.match(r, pending.owner) for r in self.author_white_list):
       # Can't commit because the owner is not on the whitelist.
+      logging.info('%s not in whitelist' % pending.owner)
       return False
 
     # Need at least one reviewer matching at least one regexp in