HBASE-11728 - Data loss while scanning using PREFIX_TREE
DATA-BLOCK-ENCODING (Ram)
HBASE-11757 Provide a common base abstract class for both RegionObserver and MasterObserver
HBASE-11754 [Shell] Record table property SPLITS_FILE in descriptor (chendihao)
HBASE-11762 Record the class name of Codec in WAL header