MAPREDUCE-5194. Heed interrupts during Fetcher shutdown.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494416 13f79535-47bb-0310-9956-ffa450edef68
Move jiras to the right section in CHANGES.txt and make it consistent with branch-2

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494429 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4917. Start-dfs.sh cannot pass the parameters correctly. Contributed by Fengdong Yu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494433 13f79535-47bb-0310-9956-ffa450edef68