scATAC-pro_V1.2.0

• updated footprint dependency rgt-hint module to python3
• saved QC statistics in html report into tables, and peak added calling summary information in the report
• added QC per cell to seurat obj metadata as: total.unique.frags, frac.peak, frac.mito,
  frac.tss, frac.promoter, and frac.enhancer