Add pointer to terracota offheaping notes
edit on why bucketcache
HBASE-11739 Document blockCache contents report in the UI
HBASE-11655 Document how to use Bash with HBase Shell (Misty Stanley-Jones)
HBASE-11655 ADDENDUM - typo fix
HBASE-11508 Document changes to IPC config parameters from HBASE-11492 (Misty Stanley-Jones)
HBASE-11754 [Shell] Record table property SPLITS_FILE in descriptor (chendihao)
HBASE-10202 Documentation is lacking information about rolling-restart.sh script (Misty Stanley-Jones)
HBASE-11770 TestBlockCacheReporting.testBucketCache is not stable (Sergey Soldatov)
HBASE-11762 Record the class name of Codec in WAL header