SENTRY-415: Add API to Sentry Service that allows clients to read the service's config values. (Mike Yoder via Prasad Mujumdar)
SENTRY-507: Ban additional configs in getConfigVal() (Mike Yoder via Lenni Kuff)
SENTRY-426: Add upgrade scripts for column level privileges
SENTRY-389: Database implementation for column
SENTRY-391: Extend sentrystore query for column level privilege
SENTRY-390 Extend Thrift API to support column-level privilege
SENTRY-393 Grant/Revoke and Show Grant info support for column level privilege
SENTRY-392: Authorization for column level security
SENTRY-394 PolicyFile and ConfigImport support for column level privilege