BAM2GFF-v1.2.1

minor update:

• x-axis for heatmap plots
• changed heatmap.3 to heatmap.4
  heatmap.4 version update:
  • added x-axis on heatmap plots for promoters & genebody (xoption)
  • removed trace
  • added "pdftools" R package to convert heatmap.pdf to heatmap.png and heatmap.jpg