CR — Missing "decimal" type in table 5.7 property types and their URIs

The text for section 5.1.4.1 Property states that "Property types are derived from the top-level built-in primitive types of XML Schema" and list most of the XML Schema types in table 5.7, but it is missing the "decimal" type. See http://www.w3.org/TR/xmlschema-2/#built-in-primitive-datatypes

Add decimal to table 5.7 (page 12)

Add decimal to table 5.7 as follows:
decimal | http://www.omg.org/spec/CMMN/PropertyType/decimal