Updated header and rearranged so that the metadata file is now in a QIIME mapping file format.
Updated header and rearranged so that the metadata file is now in a QIIME mapping file format.

h3abionet/h3abionet16S,h3abionet/h3abionet16S,h3abionet/h3abionet16S,h3abionet/h3abionet16S