HIVE-4159:RetryingHMSHandler doesn't retry in enough cases (Kevin Wilfong vi Gang Tim Liu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1462350 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4155: Expose ORC's FileDump as a service

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1462352 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4157: ORC runs out of heap when writing (Kevin Wilfong vi Gang Tim Liu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1462363 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4235. CREATE TABLE IF NOT EXISTS uses inefficient way to check if table exists. (Gang Tim Liu via kevinwilfong)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1462373 13f79535-47bb-0310-9956-ffa450edef68