[x] reformat field names and order of mutation data generated during A-Lab release runs
[x] generate mutation "names" to insertions, to be consistent with substitutions and deletions
[x] add a depth-based QC filter, threshold can be user-specified, add as part result of recent "ancestral anomaly" investigation
[x] add illumina_demultiplexing_picard.sh to perform demultiplexing as an alternative to bcl2fastq, allowing user-specified minimum base quality
[x] add get_variant_counts() as a helper function to bjorn_support, used to generate the number of variants in each sample that have frequencies that fall within a user-specified range
illumina_demultiplexing_picard.shto perform demultiplexing as an alternative tobcl2fastq, allowing user-specified minimum base qualityget_variant_counts()as a helper function tobjorn_support, used to generate the number of variants in each sample that have frequencies that fall within a user-specified range