warn leaked credentials with Diego <v1.12.0 [#143288023](https://www.pivotaltracker.com/story/show/143288023)
warn leaked credentials with Diego <v1.12.0
[#143288023](https://www.pivotaltracker.com/story/show/143288023)

Signed-off-by: Jeff Pak <9d750c79dc1952140f693c4bda214b11dba3d64d@emc.com>

cloudfoundry-incubator/nfs-volume-release,cloudfoundry-incubator/nfs-volume-release,cloudfoundry-incubator/nfs-volume-release