HBASE-5696 Use Hadoop's DataOutputOutputStream instead of have a copy local (Talat Uyarer)
HBASE-11534 Remove broken JAVA_HOME autodetection in hbase-config.sh (Esteban Gutierrez)
HBASE-11400 [docs] edit, consolidate, and update compression and data encoding docs (Misty Stanley-Jones)
HBASE-11537 Avoid synchronization on instances of ConcurrentMap (Mike Drob)
Add doc on direct memory, the block cache UI additions, list block cache options, downplay slab cache even more
More suggestion folks use offheap block cache
Add doc of since removed hbase.bucketcache.percentage.in.combinedcache
HBASE-11548 [PE] Add 'cycling' test N times and unit tests for size/zipf/valueSize calculations