MAPREDUCE-2349. Modified FileInputFormat to be able to issue file and block location calls in parallel. Contributed by Siddharth Seth.
svn merge --ignore-ancestry -c 1579515 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.4@1579517 13f79535-47bb-0310-9956-ffa450edef68