[CDH5] Set CDH major version to 5
[CDH5] Set CDH major version to 5

Change-Id: Ibc36ed435dd36d3489d27a977bf1726bbf2927a1
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1306
Reviewed-by: Henry Robinson <3eca10f30041813f045165784e24b5a950a6cc7e@cloudera.com>
Tested-by: Henry Robinson <3eca10f30041813f045165784e24b5a950a6cc7e@cloudera.com>

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