HBASE-2474, HBASE-2509, HBASE-2037, HBASE-2248 CHANGES.txt updates
HBASE-2474, HBASE-2509, HBASE-2037, HBASE-2248 CHANGES.txt updates


git-svn-id: 25ca64b629f24bdef6d1cceac138f74b13f55e41@944535 13f79535-47bb-0310-9956-ffa450edef68

centiteo/hbase,francisliu/hbase_namespace,StumbleUponArchive/hbase,optimizely/hbase,optimizely/hbase,centiteo/hbase,lichongxin/hbase-snapshot,jyates/hbase,Shmuma/hbase-trunk,francisliu/hbase_namespace,StumbleUponArchive/hbase,centiteo/hbase,Shmuma/hbase-trunk,Shmuma/hbase-trunk,francisliu/hbase_namespace,ryanobjc/hbase,cloudera/hbase,lichongxin/hbase-snapshot,ryanobjc/hbase,jyates/hbase,optimizely/hbase,matteobertozzi/hbase,lichongxin/hbase-snapshot,centiteo/hbase,Shmuma/hbase-trunk,cloudera/hbase,bcopeland/hbase-thrift,StumbleUponArchive/hbase,StumbleUponArchive/hbase,lichongxin/hbase-snapshot,bcopeland/hbase-thrift,ryanobjc/hbase,bcopeland/hbase-thrift,francisliu/hbase_namespace,Shmuma/hbase-trunk,jyates/hbase,optimizely/hbase,Shmuma/hbase-trunk,bcopeland/hbase-thrift,francisliu/hbase_namespace,matteobertozzi/hbase,bcopeland/hbase-thrift,centiteo/hbase,lichongxin/hbase-snapshot,jyates/hbase,jyates/hbase,bcopeland/hbase-thrift,jyates/hbase,cloudera/hbase,matteobertozzi/hbase,matteobertozzi/hbase,optimizely/hbase,francisliu/hbase_namespace,ryanobjc/hbase,Shmuma/hbase-trunk,lichongxin/hbase-snapshot,StumbleUponArchive/hbase,cloudera/hbase,francisliu/hbase_namespace,jyates/hbase,matteobertozzi/hbase,centiteo/hbase,matteobertozzi/hbase,StumbleUponArchive/hbase,cloudera/hbase,bcopeland/hbase-thrift,matteobertozzi/hbase,centiteo/hbase,ryanobjc/hbase,matteobertozzi/hbase,jyates/hbase,matteobertozzi/hbase,jyates/hbase,cloudera/hbase,optimizely/hbase,francisliu/hbase_namespace,francisliu/hbase_namespace,ryanobjc/hbase,StumbleUponArchive/hbase