MAPREDUCE-5924. Changed TaskAttemptImpl to ignore TA_COMMIT_PENDING event at COMMIT_PENDING state. Contributed by Zhijie Shen

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1603338 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6527. Edit log corruption due to defered INode removal. Contributed by Kihwal Lee and Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1603340 13f79535-47bb-0310-9956-ffa450edef68