fix bug in subevent parser
replace the manual addition of PDGs to TGeoManager with values inside the TDatabasePDG from root
(problem reported by Thomas Ruf)
Generalized FairRingSorter

FairRingSorter was modified in the way that it is not necessary anymore
to derive your own Sorter from FairRingSorter but you can now use it for all
FairTimeStamp data.
continue cleaning the rdio