Start of config file feature
Merge branch 'hotfix/Do_not_send_email_on_cleanup_when_nothing_cleaned_up' into develop
Addition of default config file
Merge branch 'feature/use_etc_conf_file_to_pass_user_parameters' into develop
Add functionality to use a configuration file and fix issue of clean-up email being sent when no clean-up performed
Merge branch 'develop'