HBASE-10863 Scan doesn't return rows for user who has authorization by visibility label



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.98@1582978 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10860 Insufficient AccessController covering permission check.(Anoop)

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.98@1582988 13f79535-47bb-0310-9956-ffa450edef68