move cache size/cap to right axis, add chunk cache graphs
move cache size/cap to right axis, add chunk cache graphs

circonus-labs/circonus-one-step-install,maier/circonus-one-step-install,maier/circonus-one-step-install,circonus-labs/circonus-one-step-install,circonus-labs/circonus-one-step-install,maier/circonus-one-step-install