few new online pixel monitoring histograms for DQ
Few new histograms added (eventually they will serve as a base for 'last 100 LB' histograms):
- Zoomed Cluster ToTxCosAlpha per LB
- AvgOcc_ratio_toIBL_per_lumi
and supporting code + fix in the normalization of occupancy histograms (# of channels).
Edited by Iskander Ibragimov