Add enet source.
Move kryonet version to separate package.
Basic server and client connections.
Started integrating enet.
Net test.
NetTest uses two threads.
Call method from inside event processer
Minor fix.
Host and Client are separate children of Connection.  Client can send data.  Used Kryonet serialization (http://code.google.com/p/kryonet)
Use kryo to serialize packets.
Net is implemented, now to fix the rest.
Removed superfluous network classes.  World/Entities are a part of the core now.
Fixed bugs with initialization of Net.
Use two threads for server
Works is retrieved by an id thread.  New server 'backend'.
Merge branch 'net'