fix Infernal source_urls with templating

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
adjust PRANK

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add MAFFT for PRANK, make sure it's used

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>