Code Cleanup
Updated ReadMe
Added support for Starting a rendering job, printing known compute nodes, and configuring known computer nodes to DefaultKEyboard
Modified SceneLoader to be static, and for each Scene to register a key.
Added a try/catch block for catching exceptions thrown while a handler handles a message.
Added ip lookup and a trap for null messages to NetworkMessageHandler.
Added several types for Rendering Messages to Message.Type.
Implemented the basic functionality of a Node.
Added the ability for the NodeManager to manage Nodes (including adding, removal, iterating, hashing by id, etc.)
Added constants for message sending in Constants.
Added controller member vars to Configuration.
Added support for controllers for ApplicationDelegate.
Updated the storage vars for UpdateData and RenderData.
Modified the rendering interface for Configurable RayTracer to get the scene from the Data instead of as a parameter.
Added a placeholder for NetworkRenderer
Added several message handlers.
Added a helper class for generating commonly used messages.