SHDP-359 Upgrading Cloudera CDH to 5.1.0 and Hadoop 2.4.x to 2.4.1
SHDP-359 Downgrading Spring 4.1.x to RC1 due to failing test

- see https://build.spring.io/browse/SPRINGDATAHADOOP-MASTER-JOB1-763/test/case/155724097