HBASE-8849 - CellCodec should write and read the memstoreTS/mvccVersion (Ram)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1511043 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8627 HBCK can not fix meta not assigned issue

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1511081 13f79535-47bb-0310-9956-ffa450edef68