SENTRY-407: Add schema upgrade script to handle schema changes in 1.5 (Prasad Mujumdar reviewed by Arun Suresh, Sravya Tirukkovalur)
SENTRY-428 - Sentry service should periodically renew the server kerberos ticket (Prasad via Brock)
SENTRY-431 - Sentry db provider client should attempt to refresh kerberos ticket before connection (Prasad via Brock)
SENTRY-412: Sentry script should support an option to print product version (Prasad Mujumdar reviewed by Sravya Tirukkovalur and Arun Suresh)
SENTRY-420: TestMovingtoProduction fails on real cluster (Sravya Tirukkovalur via Prasad Mujumdar)
SENTRY-425: Reduce logging verbosity in SentryPolicyServiceClient when creating new connections (Lenni Kuff via Prasad Mujumdar)
SENTRY-424: Rat check occasionally failing after derby upgrade (Prasad Mujumdar via Sravya Tirukkovalur)
SENTRY-421: Metastore binding is not constructing in fully qualified URI sentry recognizable format (Prasad Mujumdar via Sravya Tirukkovalur)