Port Staging branch to Windows

[Pursche]

Replace pthread based threading with std::thread in Threading.h/cpp Replace FD based non-blocking IO with platform agnostic std::thread based non-blocking IO in ConsoleCommands.return Replace Linux-specific traceStack functionality with platform agnostic CallStack library Add a StackAllocator Add a per-tick StackAllocator for temporary allocations Fix various template related forward declaration issues that only showed up on msvc

[jdhirst]

@Pursche do you mind making codefactor happy? 😉

[Pursche]

@jdhirst There you go!

[jdhirst]

Awesome, thanks!

!oktotest

[jdhirst]

Looks good to me, merging with staging

@Pursche Thanks for the contribution!! :)