AME-1246 Remove session purge delay concept
AME-12195 use enum for session types
AME-12195 use enum for session states
Update copyright headers for files changed in 2015
OPENAM-6837 CR-8206 resolve locale based unit test failure in SessionInfoFactoryTest
AME-5568 CR-6168 CR-6364 CR-6384 (+many other CRs) allow servers to issue Stateless Sessions on a per realm basis.
AME-5556 CR-6276 CR-6058 CR-6048 CR-6047 CR-6045 introduces refactoring and cleanup around Session and SessionService code base
AME-3423, CR-4390, CR-4366, CR-4342, CR-4272: Allow destroyed sessions to be cached on remote OpenAM servers to avoid stale read from CTS while waiting for LDAP replication (when crosstalk reduced)
AME-2565 CR-2896 CR-3093 Sessions are now no longer restricted to a single Site in the case where sites share CTS.