Added a scene template that you can copy-paste instead of creating a new.

Signed-off-by: Kalle Sjöström <c06ksm@gmail.com>
Minor fixes and cleanup

Signed-off-by: Kalle Sjöström <c06ksm@gmail.com>
Created an editor script that can be used to setup a new scene.

Signed-off-by: Kalle Sjöström <c06ksm@gmail.com>