- Add a log entry for repo verb handling and make the container usage calculation take it into account

- Move all the repo push/pull/verb logging into a central track_and_log method
- Readd images accidentally deleted in the last CL
- Make the uncompressed size migration script better handle exceptions

config.py

@@ -186,3 +186,6 @@ class DefaultConfig(object):
   # Build logs archive
   LOG_ARCHIVE_LOCATION = 'local_us'
   LOG_ARCHIVE_PATH = 'logarchive/'
+
+  # For enterprise:
+  MAXIMUM_CONTAINER_USAGE = 20