Switch default checksum to CRC32C
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Key: HDFS-2130
URL: https://issues.apache.org/jira/browse/HDFS-2130
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Todd Lipcon-- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira
