HIVE-8359 - Map containing null values are not correctly written in Parquet files (Sergio Peña via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1640615 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8829 - Upgrade to Thrift 0.9.2 (Prasad Mujumdar via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1640617 13f79535-47bb-0310-9956-ffa450edef68