If you have google or the latest browser it should translate the link for you. Denise Shirk's replies translate pretty well. His english was problably translated to russian using the same means to translate it back into English.
The Warhammer mod is based on Fall From Heaven 2/Fall Further codebase. If you want to try creating something new like a Warcraft mod, you'd be much better off building on those codebases (or the Orbis mod) than on Warhammer. So try taking a look at some of the resources created to help with those mods.
He's around a little, but has lost a lot of his enthusiasm for modding; it become a chore rather than a hobby, so he cut back. I think he's still intending to help out with artwork and maybe a few other things like the spell system.