Add rule to get number of OTUs from mocks when there's no sequencing errors and no chimeras
Add rule to get number of OTUs from mocks when there's no sequencing errors and no chimeras

SchlossLab/Kozich_MiSeqSOP_AEM_2013,SchlossLab/Kozich_MiSeqSOP_AEM_2013,SchlossLab/Kozich_MiSeqSOP_AEM_2013