Bug fix: size of the strip vectors, debug info for L1Vector

• a bugfix: correct the size of the strip arrays
• a new feature: give names to L1Vectors for debugging purposes

@f.uhlig, please add these commits to the APR21 release.

reco/L1/L1Algo/L1Algo.cxx

@@ -199,8 +199,8 @@ void L1Algo::SetData(const vector<L1StsHit>& StsHits_, int nStsStrips_, const ve
   hitToBestTrackF.resize(NhitsGlobal * 2);
   hitToBestTrackB.resize(NhitsGlobal * 2);
 #endif
-  vStripToTrack.resize(NhitsGlobal * 2);
-  vStripToTrackB.resize(NhitsGlobal * 2);
+  vStripToTrack.resize(NStsStrips);
+  vStripToTrackB.resize(NStsStrips);
 
   TripForHit[0].resize(nHits);
   TripForHit[1].resize(nHits);