HBASE-8066 - Provide Admin.isTableAvailable() for a given table along with splitkeys(Ram)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1455958 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8063 Filter HFiles based on first/last key (Liang Xie)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1455971 13f79535-47bb-0310-9956-ffa450edef68