Fixed IOerror printouts, added expand user  and abs path to the --config argument
added expand user  and abs path to the --config argument
Gentry data root is now ~/.gentry
Work on file logging for carbon and diamond
Added graphite file logging (and better stream logging). TODO: decide on a better location for log files
Gentry logging. For sentry logging we need to hook into the loggers explicitly. Grep for 'logging.get' in the sentry project.