HBASE-10585 Avoid early creation of Node objects in LRUDictionary.BidirectionalLRUMap.(Anoop)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1570672 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10526 Using Cell instead of KeyValue in HFileOutputFormat

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1570702 13f79535-47bb-0310-9956-ffa450edef68