…MP from LOG_TIMESTAMP_TEMPLATE and save it in the METplusConfig so it can be referenced by other variables including METPLUS_CONF (final conf file). Removed logic to handle if LOG_METPLUS is unset that uses an old config variable that is not documented or used anywhere

…CONF to include the log timestamp and changed LOG_METPLUS to use LOG_TIMESTAMP instead of LOG_TIMESTAMP_TEMPLATE -- in metplus_config, the formatted log timestamp is substituted in the read of the LOG_METPLUS variable, but it would not be formatted properly in any other use. Formatting the log timestamp and saving it as LOG_TIMESTAMP will make it available to use in other places

…f there is a timestamp included at the end of the filename

…LISTS_DIR that includes the log timestamp to prevent issues with multiple runs but still allow users to change the default to remove the timestamp if they desire

…onfig files that are used to run pytest unit tests and GitHub Actions automated test suite

…conf and change default value to True

…and the files will be available if needed to debug