* Two new classes added, a ManagedThreadPool that is a performance enhanced ThreadPool, and BlockingQueue which is a thread-safe queue that allows one end to block until something is added to the queue
* Added Simulator.ReceivedResends for tracking the number of resent packets received
* Added StatsCommand to TestClient to print out basic networking stats
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@1101 52acb1d6-8a22-11de-b505-999d5b087335
