adding addtocollectionsback
Removed I/O scheduler so that subscriptions run in the calling thread.
changing receipts query to use notification id
more efficient counting, no receipts
remove call to check notifiers, not efficient
simple stats
Added tests for throughput

Cleaned up node shard impl and removed unused time service
Merge branch 'two-dot-o' of https://git-wip-us.apache.org/repos/asf/incubator-usergrid into two-dot-o
Add geo-location to test user to make this more like the failure we observed in a test cluster.