adding a template to perform GBL trajectory fitting ONLY
need  TrackState headers to continue

+#include "EUTelTrackStateImpl.h"
+#include "EUTelTrackImpl.h"
left over printout commenting out
one more DEBUG0 printout statement added: actually need to add thorough checks against not created objects (_geoManager was not initilized here .. therefore seg.fault)
one step closer to propagator free GBL trajectory creator
bug fix: geoManager must be created in order to be used anywhere else in the Processor and members