Space-Time Coordinate domain classes initial import.
Space-Time Coordinate domain classes initial import.

git-svn-id: 311fcc5b8b03427d323cee07bbb9e5a14d8d22e9@208 728ff76a-78ac-11de-a72b-d90af8dea425

opencadc/core,opencadc/core,opencadc/dal