rotate_logs(), which has the same effect but is more Zope 2.5
friendly.

Remove now redundant zLOG import from main().

Darn.  Why didn't the test suite catch this?

confusion caused by having the instance and the class have the same
name.

ChrisM's changes here) it is no longer necessary to call
zLOG.initialize() in order to see logging output.

available, raise a more reasonable exception.

isn't imported by this module unless needed.

option.

XXX This will probably go away once we decide how we really want to do
this.

storages, it's much easier to specify those in a config file.

XXX This still needs a unit test suite.

records (requiring occasional seeks).

  severity level.  This allows the common names to be used for
  severities, not just integers.  This can make configuration data
  less obscure.

- Refactor initialize():
  get_environment_info() pulls information from the environment
  variables, and this gets passed to initialize_log(), which does
  nothing to determine the source of the configuration data.

- New method initialize_with_config():  Load information not provided
  by the environment from a ZConfig section.  This allows the
  environment to override a config file, and avoids having the
  application deal with the specific information needed to configure
  logging.

port) tuple.

  rilog()) into methods, so the log message can include the storage
  name.

- Change the trace filename to include a hyphen and the storage name.

This addresses ZODB SF bug 641925.