Added membership list for convenience
Amemded PremIdType constraints as discussed in #9
Changed ref= style to type= style.  Name ProgramStatusType changes to ProgramStatus.
Obsessive compulsive edits to minOccurs, maxOccurs, and use to make the default values explicit and order consistent as "name= type= minOccurs= maxOccurs="
Merge remote-tracking branch 'upstream/master' into
tracker.cloud.prototype.deployment.2.0

Conflicts:
	ecvi.xsd
Pushing to GitHub