Don't log that we are adding directories.
Tighten scope on aFile variable.
Continue if there is a checkout problem, and log which file.
Don't update status to increase performance. We don't use the status.
Added option to create checkpoints after each commit.

Useful when debugging a problematic import.
Call File Janitor git-starteam File Janitor to make clear what it is.
Modify merge commit message so that merges can be grouped into one commit.
Improve accuracy of commit timestamp on renames.