HBASE-12424 Finer grained logging and metrics for split transactions
Reduce the effective scope of CREATE and ADMIN permissions
HBASE-12432 RpcRetryingCaller should log after fixed number of retries like AsyncProcess

Signed-off-by: Andrew Purtell <apurtell@apache.org>
HBASE-12440 Region may remain offline on clean startup under certain race condition (Virag Kothari)
HBASE-12279 Generated thrift files were generated with the wrong parameters (Niels Basjes)
HBASE-12450 Unbalance chaos monkey might kill all region servers without starting them back (Virag Kothari)
HBASE-12448 Fix rate reporting in compaction progress DEBUG logging
Update POM and CHANGES.txt for 0.98.8
Amend HBASE-12424 Finer grained logging and metrics for split transactions; Hadoop 1 build fixes