Description
Replace the duplicate logFSTree() code in the test with the one from FSUtils
Also this code has a problem with the concurrent files deletion (by the archiver)
java.io.FileNotFoundException: File hdfs://localhost:34124/user/jenkins/hbase/.archive/testtb-1358489746730/5a9d9fe3ffbd17db00ab8497486f4a2f does not exist.
at org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:408)
at org.apache.hadoop.hbase.snapshot.TestRestoreFlushSnapshotFromClient.logFSTree(TestRestoreFlushSnapshotFromClient.java:249)
at org.apache.hadoop.hbase.snapshot.TestRestoreFlushSnapshotFromClient.logFSTree(TestRestoreFlushSnapshotFromClient.java:252)