Updating setting the stats from the rpc request
TODO: check to ensure only one place where setting stats from request
sending region stats back with multi requests
TODO: check actually sending data back on calls
TODO: support region stats for other update operations
Updating last compile failures.

Moving CoprocessorHConnection to just subclass ConnectionAdapter so it is much simpler
Adding stats usage on client.

Each request needs to be checked to see if it should be split by region backoff, and then
they are submitted to the actual runner