Instead of running the exporter as a seperate deployemnt that talks
to the service, which will NOT be reporting reliable information if
you have more than 1 replica of memcached, this patch insteads moves
things into a sidecar model that runs in the same pod and exposes
the service.
Change-Id: Ia4801b47f44df91db10886f7cb4e8e174557aded
696e37e3f7