HBASE-12038 Replace internal uses of signatures with byte[] and String tableNames to use the TableName equivalents (Solomon Duskis)
HBASE-12123 Failed assertion in BucketCache after 11331
HBASE-10607 [JDK8] NoSuchMethodError involving ConcurrentHashMap.keySet if running on JRE 7
HBASE-11879 Change TableInputFormatBase to take interface arguments (Solomon Duskis)
HBASE-12134 publish_hbase_website.sh script can delete the website accidentally
HBASE-12049 Help for alter command is a bit confusing (Ashish Singhi)
HBASE-12112 Avoid KeyValueUtil#ensureKeyValue some more simple cases.
HBASE-12095 SecureWALCellCodec should handle the case where encryption is disabled
HBASE-12139 StochasticLoadBalancer doesn't work on large lightly loaded clusters

Summary:
Currently the move cost overshadows the skew cost on a large cluster. This can render the split policy worse than useless
and it can trap meta on the most loaded server in the cluster.

Test Plan:
Unit tests everywhere
likeaboss

Reviewers: stack, manukranthk

Subscribers: tedyu

Differential Revision: https://reviews.facebook.net/D24285
HBASE-12143 Minor fix for Table code (Solomon Duskis)
HBASE-11804 Raise default heap size if unspecified
HBASE-12130 HBASE-11980 calls hflush and hsync doing near double the syncing work
HBASE-11930 Document new permission check to roll WAL writer (Jerry He)
HBASE-12065 Import tool is not restoring multiple DeleteFamily markers of a row (Maddineni Sukumar)
Try adding javadoc url to email output