removed obsoletes and purgatory bins with descentents, updated metadata, minor class label refinements
removed obsoletes and purgatory bins with descentents, updated metadata, minor class label refinements

nmrML/nmrML,nmrML/nmrML,nmrML/nmrML,nmrML/nmrML,nmrML/nmrML,nmrML/nmrML,nmrML/nmrML