A demo for Demo

Modules:
DemoSquared.Model - gbxml classes generated from the XSD.
DemoSquared.ViewModel - Data structures use is the display.
DemoSquared.Utils - Utility function for loading, converting or easy of getting data from the models.
DemoSquared.Viewer - A winform appication for displaying a model.

Future work:

• Improve the xsd generated code, look for alternatives
• Do the rendering in it's own thread
• Add more validation checks.
• Test code using other files
• Add real transformation matrix in display + support for zooming and dragging
• 3d display
• Add other displays