Update to v1.403 Norway+Introduce

• added and balanced the first more graphical Norway Level to campaign "Smarter2". A big river landscape and with given pilars for hanging up ropes.

• added a new intro video as an introduction to the basics.

https://youtu.be/IK2iNl2OKTo

• modified the grids texture again to get it more subtle.

• modified the starter to info that its started.

• added save files for the Castle scene and the new Norway Level.

• fixed a bug that prevented from starting the game on 1 or 2 computers.