ALIROOT-6374 New tags with master and feature-devcalib for TPC calibration validation. Changes: 8a84304 improved parametrization of non linearity kBeamTestCorrectedv2 - P. Ganoti b767d7b Storing QAThreshold object with run validity only 483e823 ATO-108 - BUG FIX. Clusters on C-side are missing in latest test. c2f751e ATO-108,ATO-271,ATO-291 - adding also time stamp to the event info (current) stream c3eecd0 fix small mem leak in dtor 9c15d95 allow for files from alien 1795bb0 Fix in drift speed axis title and range