Multi-platform support

[uhhashe]

Currently OAT only supports PC platforms, but when other platforms will be added they will need to be treated as new games. I think the current game system needs to be refactored with platform support in mind so it can be easier to add other platforms, this could also make adding builds of games easier, such as CoD Online or the Xbox 360 Alphas because that has alot of different builds.
I would love to work on the Xbox 360 support for T5 and T6 as I've done some work with them now.

[uhhashe]

#895
#298

[michaeloliverx]

I guess the appropriate discriminator for different builds is fastfile version. Having a system in place that would allow maximum code reuse while being able to override a specific loader based on platform, ff version might work.
For my xenon work I have opted to have a separate game per platform and per build which explodes the compile time but it is nice and separated and easy to reason about. I have had a look into how this could be handled easily and it is not a simple problem to solve.