[provision] SPML Schema rev 02...

Attached is the latest rev of the SPML Schema schema. This version has the following changes:
 
1) Changed the namespace from req to schema (thanks to Paul Madsen for catching this).
2) Changed thne attribute definition reference to use the DSML attribute description value type.
3) Cleaned up the min and max occurs declarations to be more consistent.
 
Jeff Bohren
OpenNetwork Technologies