WSDL 2.0 Component Model Interchange Format Updated with Part 2 Extensions

As per my action item, I've added the Part 2 extensions to the interchange 
format. I introduced a new namespace for each extension namespace. See [1]

I also fixed a couple of errors in the WSDL 2.0 schemas.

[1] 
http://dev.w3.org/cvsweb/2002/ws/desc/test-suite/interchange/wsdlcm.xsd

Arthur Ryman,
IBM Software Group, Rational Division

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