Merge pull request #400 from chinmay-gupte/chinmay/add_instrumentation_to_better_monitor_rollups

Add per granularity instrumentation to get better insight into rollups being processed currently
Added Http request count, and Current Locators Count
Fixed Metric name
switched from guage to counter
removed extraneous lines
Merge pull request #401 from rackerlabs/george/add_more_instrumentation

George/add more instrumentation
Merge branch 'master' into rax-stage