Add a global log system to argonaut-user-reminder

Descriptive title for this enhancement

Add a global log system to argonaut-user-reminder

Actual behavior

argonaut-user-reminder does not log to a file only to console

Expected behavior

to have a logfile with the result of the action done by user reminder

Step by step description of new behaviour

1. add Log::Handler library
2. add printout to /var/log/argonaut-user-reminder

Benefits

to have a logfile with the result of the action done by user reminder

Possible Drawbacks

none