make a new export for nfstestserver that is only readable by uid 1000 [#160157582](https://www.pivotaltracker.com/story/show/160157582)
make a new export for nfstestserver that is only readable by uid 1000 [#160157582](https://www.pivotaltracker.com/story/show/160157582)

Signed-off-by: Dave Walter <00834c187f77910918b70534e2fb1dd066a04d4b@pivotal.io>

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