Add weight to cube tables - both fact and dimension

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/HIVE-4115@1481701 13f79535-47bb-0310-9956-ffa450edef68
Fix alias replacer not to do string replace

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/HIVE-4115@1481706 13f79535-47bb-0310-9956-ffa450edef68