Tag the server process log messages with `[Sanford]`

This makes the log messages easier to see and also identifies
where they are coming from.
Bug fix, use the host's name for the process name

This was using the host's class instead of the name. Though this
worked, the intent was to use the configured host name.
Merge pull request #60 from redding/jcr-tag-logs

Tag the server process log messages with `[Sanford]`