0.8dev: Changed log level of "Inheriting parent logger" message.

This will prevent echoing the message to the shell when running the trac-admin commands with the log level set to warning, which is probably a typical configuration when running in production.


git-svn-id: https://svn.apache.org/repos/asf/bloodhound/trunk@1545687 13f79535-47bb-0310-9956-ffa450edef68