It was wherever 'cbpi setup' was run from.
and if no config folder path is provided its still the same.
This also adds a file based global logger placed in the logs folder.
The sensor loggers respect the new logs folder location.
if accumulated size of log file data exceeds some megabytes. Also chart refresh rate should be greater than some 10 seconds so that chart plots can not block the user interface.
In functions get_data (for dashboard charts) and get_data2 (for chart in analytics) the pandas resample function is reactivated respectively added to further reduce the amount of data to be transferred to the clients.
In function log_data max_bytes and backup_count must be converted to int, when these settings are changed in the settings dialog.