SENTRY-477: Sentry service should expose metrics (Sravya Tirukkovalur via Prasad Mujumdar)
SENTRY-511: Always enable metric collection and do not fail when all metric reporters are disabled (Sravya Tirukkovalur via Lenni Kuff)
SENTRY-513: Sentry web service may not be stoped completely (Dapeng Sun via Sravya Tirukkovalur)
SENTRY-512: Revert back to maven.compiler to java 6 (Sravya Tirukkovalur via Prasad Mujumdar)
SENTRY-517: MSCK REPAIR TABLE statements are not authorized (Lenni Kuff via Prasad Mujumdar)
SENTRY-509 upgrade HIVE version to 0.13.1-cdh5.3.0-SNAPSHOT in SENTRY
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
SENTRY-392-Authorization-for-column-level-security
SENTRY-394-PolicyFile-and-ConfigImport-support-for-