[DAS2] imported data into bug tracker

[Andrew Dalke]

Gregg:
> The validation suite might be an exception to this distinction.  I 
> doubt
> that anyone else will reimplement this, and I think it's okay for it to
> be more tightly associated with the spec.

Except that I've broken the validation code into two components.
One is a das2 Python client and the other is the validator.  And
people may use the das2 component without using the validator.

					Andrew
					dalke at dalkescientific.com