Slot `rowRanges` and add note about using `DESeqDataset()` instead of `DESeqDataSetFromTximport()`
Slot `rowRanges` and add note about using `DESeqDataset()` instead of `DESeqDataSetFromTximport()`

hbc/bcbioRnaseq,hbc/bcbioRnaseq,roryk/bcbioRnaseq