* Demo.SpaceGame working
* Delete unused files, update icon
* Demo.StarWarrior building
* Removed unused files
* Demo.Features Collision
* Platform Demo Building
* Nuclex Gui Project
* got the old platformer demo running but it's still missing stuff
* Demo.Features added to solution
* Demo.Features building
Currently, most demos don't build and were excluded from the project.
* Demo.Features.NetCore building
* Demo.Features building and running
* First demo usable
* Close button
* Tiles + Sprite Demo
* More demos working
* Fix Back() for new Gui
* Remove old project files
