.. they are in Athlete::zones() et al now
.. this refactor was missed in the 3.0 mainwindow
refactoring and is part of the prep to use RideItem
as an in memory cache instead of the old metricDB
... introduce new "home" Folder structure object representing the
previous flat-folder
... adjust relevant QDir home - access to use the sub-folder method of
the new object
Note: the new structure is not yet active ! - everything is written to
the main folder still
To Do:
... add upgrade procedure for existing folder content to merge to the
new folders
