added some URLs for CV, XSD and mapping file, according to Mike Wilsons reccomendation. However, not all are valid as of today.
added some URLs for CV, XSD and mapping file, according to Mike Wilsons reccomendation. However, not all are valid as of today.

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