* Created a listener for the starting and stopping of systems
* Network objects are notified when they have received an id.
* Restored the direction enum
* Created new main file
* Data file manager now supports loading files by name and from class path.
* so does the tile registry
* Rendering registry now has more method for loading data.
* Created a new basic region manager
* Created a new basic map generator
* The main file now constructs a simple (ugly) map and a camera to view it with.
* Fixed an incorrect import