Copying config files into a new "config" dir in preparation for moving them out of the plugin dir.
Logic to create a "home" dir setting where both templates and configs are located.  This will replace the previous template path.

The logic is also changed to pull fonts and printer settings from the config dir.
Logic to move the Cura INI files into the config dir.  (and out of the plugin dir)
Fix for "undo" operation with multiple tags.  (this is used by the "cleanup" option)