Updated how the install script handles defer-to-master for Redis instances; it was still marking them as managed.
Updated how the install script handles defer-to-master for Redis instances; it was still marking them as managed.

paasmaker/paasmaker,paasmaker/paasmaker,kaze/paasmaker,paasmaker/paasmaker,paasmaker/paasmaker,paasmaker/paasmaker,kaze/paasmaker,kaze/paasmaker,kaze/paasmaker,kaze/paasmaker