Make the directories (JOB_DIR, HOME_DIR) not world-readable
Make the directories (JOB_DIR, HOME_DIR) not world-readable

[#134370473]

Signed-off-by: Zhou Yu <7f3430145af357a9fd7cb1a2d072f9b26e6234cb@pivotal.io>

pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release