rake run does not work inside a namespace

[kejadlen]

rake run shells out to rake clean generate, so this doesn't work inside of a namespace.

https://github.com/seattlerb/zenweb/blob/master/lib/zenweb/tasks.rake#L159

[zenspider]

I think that was me just taking a shortcut... it should be easily fixable by looking up and invoking the tasks... but even that might have a hurdle of figuring out the namespacing.