add new qualitysorter manager and task ready to be used.
Patch Maintenance dialog to show quality sorter option
TODO : patsh imgqtask to call Quality analyser backend in multithread section, to be able to scan image and register quality in Pick Label fromDB.
In Maintenance dialog, Quality settings is dumy and must be patched accordingly with Quality analyser settings.
Gowtham, please review all FIXME comments publish in this code.