This is the HDFS part of HADOOP-7697.
Remove dependency on different version of slf4j in avro
Integrated in Hadoop-Hdfs-22-branch #95 (See https://builds.apache.org/job/Hadoop-Hdfs-22-branch/95/)
HDFS-2388. Remove ivy dependency on different version of slf4j in avro. Contributed by Konstantin Shvachko.
shv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1177388
I committed this to 0.22 branch.