Create Committee Specification for UBL 2.1

The ballot to approve UBL 2.1 WD05 with Non-Material Changes as a Committee Specification passed on 29 June 2013. See ballot results at https://www.oasis-open.org/apps/org/workgroup/ubl/ballot.php?id=2439.

The URL to the WD is http://www.oasis-open.org/committees/document.php?document_id=49577

May need to work with Ken on any adjustments to the cover pages.

This ticket is to manage production and publication of the CS.