strip '.root' from filenames in QA histograms to save some space in legend
strip '.root' from filenames in QA histograms to save some space in legend

alisw/AliRoot,ALICEHLT/AliRoot,ALICEHLT/AliRoot,shahor02/AliRoot,sebaleh/AliRoot,alisw/AliRoot,miranov25/AliRoot,coppedis/AliRoot,miranov25/AliRoot,shahor02/AliRoot,sebaleh/AliRoot,sebaleh/AliRoot,ALICEHLT/AliRoot,alisw/AliRoot,ALICEHLT/AliRoot,shahor02/AliRoot,coppedis/AliRoot,sebaleh/AliRoot,miranov25/AliRoot,shahor02/AliRoot,alisw/AliRoot,miranov25/AliRoot,coppedis/AliRoot,sebaleh/AliRoot,ALICEHLT/AliRoot,ALICEHLT/AliRoot,alisw/AliRoot,alisw/AliRoot,miranov25/AliRoot,coppedis/AliRoot,alisw/AliRoot,miranov25/AliRoot,shahor02/AliRoot,coppedis/AliRoot,ALICEHLT/AliRoot,miranov25/AliRoot,coppedis/AliRoot,shahor02/AliRoot,coppedis/AliRoot,alisw/AliRoot,sebaleh/AliRoot,shahor02/AliRoot,miranov25/AliRoot,coppedis/AliRoot,sebaleh/AliRoot