add per member stats chart(s)

[tolitius]

     cluster wide chart here
================================      ;; per member charts below
                        10.1.1.1
g/s ----------------
p/s -------
h/s ---------
................................
                        10.1.1.2
g/s ----------------
p/s -------
h/s ---------
................................
                        10.1.1.3
g/s ----------------
p/s -------
h/s ---------
................................
...