Removed ConnectionPool which didn't seem usable, and also Pool.fan which has been supplanted by better abstractions.
Removed ConnectionPool which didn't seem usable, and also Pool.fan which has been supplanted by better abstractions.

tempbottle/eventlet,lindenlab/eventlet,collinstocks/eventlet,collinstocks/eventlet,lindenlab/eventlet,tempbottle/eventlet,lindenlab/eventlet