Updated keyUsage flags to match the GridCanada flags and make Nimbus happy.
Updated keyUsage flags to match the GridCanada flags and make Nimbus happy.

git-svn-id: 311fcc5b8b03427d323cee07bbb9e5a14d8d22e9@1479 728ff76a-78ac-11de-a72b-d90af8dea425

opencadc/core,opencadc/core,opencadc/dal