Symlink /etc/hiera.yaml to /etc/puppet/hiera.yaml in order to avoid
confusion. Also no need for that file to have execute permission.

Change-Id: I3331d5170ac60029c0813008d57b404b71ab3f87
Add jklare to users.

Change-Id: I2e4f32b59408711895fcb7591799ac245e15ffed