adding stats table - in progress
changing perfmon results to include numbers
replacing perfmon_result_t with ql::datum_t
stats backend is feature complete
moving stats requests into their own file
stats table working
adding stats
converting stat aggregation to macros for better consistency
adding cache size perfmon
changing perfmon_rate_monitor_t to perform a rolling average
relocating increment of queries_total perfmon
adding perfmons for bytes read and written in the serializer
connecting bytes read/written through admin stats table
connecting serializer stats to the admin stats table
fixing stats backend rethreading
taking care of TODOs in reql_admin stats
normalizing error handling in reql_admin stats table
removing old TODO
fixing reql_admin stats table handling of unreachable servers
fixing gcc compilation and removing unused stats field