Added IOSchedulingPriority= in systemd unit files.
Calculate and log total and per-host run time.
Version 1.0.3
Declare version number at info log level.
Bug fix in running time log message.
Pretty print debug dump of configuration.
Added debug log for ssh probe in controller module.
Fixed bug in log file handling.
Fixed another bug induced in the last commit.
Simplified logging code, created class MovableFileHandler.