Centrifuge and Kraken2 DB paths will be retrieved from $CENTRIFUGE_DB and $KRAKEN2_DB env vars if they exist, otherwise workflow will try to use defaults. User-specified paths will override everything else.
Merged Centrifuge and Centrifuge Kraken-style report processes into one process
updated filter_classified_reads to v0.2.0
updated Conda dependencies and Singularity container spec file
Changes:
$CENTRIFUGE_DBand$KRAKEN2_DBenv vars if they exist, otherwise workflow will try to use defaults. User-specified paths will override everything else.