Update ChIPseq promoter analysis
Update ChIPseq promoter analysis

Add FDRreg to the promoter ChIPseq analysis since the test statistic
(DESeq2) is normally distributed. In addition, don't use list.files
to grab a list of the bam files when constructing metadata (since
if other ChIP analyses have been run, this will grab all a vector
of all the bam files used in all analyses).

pkimes/benchmark-fdr,pkimes/benchmark-fdr