HADOOP-9507. LocalFileSystem rename() is broken in some cases when destination exists. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1-win@1507447 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9665. Fixed BlockDecompressorStream#decompress to return -1 rather than throw EOF at end of file. Contributed by Zhijie Shen.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1-win@1507479 13f79535-47bb-0310-9956-ffa450edef68