[haXe] Haxe backend for MTASC

[Nicolas Cannasse]

> Hello everyone,
> 
>   I have just started working on interfacing existing ActionScript
>   libraries (ActionStep in particular), and things seem to go fine,
>   but Reflection produces clumsy and untyped code, while coding
>   external classes takes a lot of time. I think a nice way to fix this
>   would be to implement a haxe backend for MTASC compiler to emit haxe
>   external classes from the ActionScript ones (so it won't need to
>   process the real code, only signatures). Any thoughts on that?

Interesting :)
Will think about out for next MTASC release.

Nicolas