Merge pull request #257 from ramielrowe/master

Updating usage seed script
Merge pull request #258 from ramielrowe/master

Adding flavor and image_meta to usage seed
Append timestamp in %Y-%m-%d_%H-%M-%S format to
log. This ensures that the log is not overwritten
when a rollover is requested more than once on the
same day.
Merge pull request #260 from anujm/add_timestamp_to_log_file

Append timestamp to log
Bumping log backup count to 6