HBASE-11341 ZKProcedureCoordinatorRpcs should respond only to members
HBASE-11371 Typo in Thrift2 docs (Cesar Delgado)
HBASE-11052 Sending random data crashes thrift service (Adrian Muraru)
HBASE-11366 Backport HBASE-4089 (block cache contents report UI) to 0.98
Merge remote-tracking branch 'remotes/origin/0.98' into 0.98