HDFS-7301. TestMissingBlocksAlert should use MXBeans instead of old web UI. Contributed by Zhe Zhang.
HDFS-7235. DataNode#transferBlock should report blocks that don't exist using reportBadBlock (yzhang via cmccabe)
(cherry picked from commit ac9ab037e9a9b03e4fa9bd471d3ab9940beb53fb)
HDFS-7280. Use netty 4 in WebImageViewer. Contributed by Haohui Mai.
HADOOP-11217. Disable SSLv3 in KMS. (Robert Kanter via kasha)

(cherry picked from commit 1a780823384a9c4289b8bb0b3c73e6b886d78fd0)
HDFS-7274. Disable SSLv3 in HttpFS. (Robert Kanter via kasha)

(cherry picked from commit 3f48493bed22f9618a9330deaaaa070734989814)

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
YARN-2503. Added node lablels in web UI. Contributed by Wangda Tan
(cherry picked from commit d5e0a09721a5156fa2ee51ac1c32fbfd9905b8fb)
HADOOP-11243. SSLFactory shouldn't allow SSLv3. (Wei Yan via kasha)

(cherry picked from commit 3c5f5af1184e85158dec962df0b0bc2be8d0d1e3)