MAPREDUCE-6122. TestLineRecordReader may fail due to test data files checked out of git with incorrect line endings. Contributed by Chris Nauroth.

(cherry picked from commit 684170d5efdc11bcd9967168f44a428d1a72af3c)
(cherry picked from commit 85a2b907407c7719a31c64d3747810263b3ec57d)
MAPREDUCE-6122. Fix CHANGES.txt.

(cherry picked from commit 2f0166db560b180e8d07c10ba9ad4bfaf2aa7b36)
(cherry picked from commit 61be28f501ba3de0915c165c9d43fa38463722c0)