Remove stale testing hacks
stage verbosity and camera log level to log level

Reorg to have the scancam module log-level determine the others
Handle verbosity vs. logging

The scan building helper functions will generally be operated by users and
therefore include a verbose flag. All other classes and functions use the
syslog logging.
Create ueye camera function to restart daemon

Tries a few times to stop daemon, then to start it again.

If it has trouble, it issues a warning and returns nominally. In general,
we'd rather keep using it while its alive