hbase-8666: META region isn't fully recovered during master initialization when META region recovery had chained failures

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1489609 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8680: distributedLogReplay performance regression

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1489680 13f79535-47bb-0310-9956-ffa450edef68