Update allelic counting script
Update allelic counting script

I'm switching to using GATK's ASEReadCounter. While it doesn't seem to
support strand-specific counting, it's likely more robust than my
homebrew script.

frazer-lab/pipelines,frazer-lab/pipelines,cdeboever3/cdpipelines,cdeboever3/cdpipelines,frazer-lab/pipelines,cdeboever3/cdpipelines