[mohaa] map rotations

[Ryan C. Gordon]

> using the oldstyle vstr commands would work, but after you set g_gametype to
> a different type, it won't let you change the map to obj from ffa because
> you have to restart the server to have the gametype change take effect.

The restart message is misleading...you just have to start a new map for
g_gametype to take effect.

I haven't tried the "vstr" thing, but I wanted to clarify that.

--ryan.