Twinsen, wheybags

The main menu rework Twinsen

Up until I looked at the source code, I was always confused about the differences between "Start campaign", "New game" and "Scenarios". New game seems like the same thing as "Scenarios"->"Freeplay", but are there any differences? We then later added a few more bonus scenarios, but they are hidden in the scenarios menu, with no explanation about what each is, what to expect or if it works in multiplayer. I believe it's very important to communicate to new players information about the game's content. It's also important to show that freeplay is the intended way to play. So all this prompted me to rework the main menu a bit.

I started with the structure. The structure always seemed odd to me, compared to what I'm used to from other games. Important options like "Load game" are lost among options that are never used (like "Replay game").
So I came up with a new structure. It looks like this:

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• Single p...