HADOOP-1203.  Change UpgradeUtilities used by DFS tests to use MiniDFSCluster to start and stop NameNode/DataNodes.  Contributed by Nigel Daley.
HADOOP-1203.  Change UpgradeUtilities used by DFS tests to use MiniDFSCluster to start and stop NameNode/DataNodes.  Contributed by Nigel Daley.

git-svn-id: cd04eed87aeab77cae603320d37174dee2a0d977@526281 13f79535-47bb-0310-9956-ffa450edef68

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