CNS-199 cnapi can return non-null, non-string "last_heartbeat" values Reviewed by: Richard Kiene <richard.kiene@joyent.com>
CNS-199 cnapi can return non-null, non-string "last_heartbeat" values
Reviewed by: Richard Kiene <richard.kiene@joyent.com>

joyent/triton-cns,joyent/triton-cns