[OPENIDM-1913] add admin role to usecase sample users (missed from earlier commit)

git-svn-id: https://svn.forgerock.org/openidm/trunk@3486 d98387aa-ee2c-4292-a9e6-504d2a719fd3
[OPENIDM-1453][CR-3936] Updates to Security Manager to encrypt key pairs in data base, share truststore in clustered environment and more.

git-svn-id: https://svn.forgerock.org/openidm/trunk@3487 d98387aa-ee2c-4292-a9e6-504d2a719fd3