Client and server config exchange. Recon tests shut down peers.
Add leveldb backend, using levigo. Tested with libleveldb 1.9.0.
('apt-get install libleveldb1' on raring/olivia)
Refactored test runner to exercise multiple backends with live peer
tests.
Improve stability of Peer.Stop()
Refactored recon.NewPeer method to accept existing PrefixTree impl.
Add ReconConfig to RecoverChan server-side.
Increase timeouts, fixed marshaling, config parser.