[dev] wicked permissions, attempt #2

[Ben Chavet]

> All this stuff is great, and some of it is desparately needed, so
> thanks!

Thanks, expect more soon :)

> So the only part I haven't committed is the 'wicked:system' and
> 'wicked:system:*' stuff.  I can probably be convinced otherwise, but I'd
> like to keep special pages as un-special in treatment as possible.
>
> ($wicked->listPages() does need to list special pages, though, for two
> reasons-- first, so permissions can be set on them and second so that
> they appear to exist.  Right now, if you refer to 'AllPages' or
> 'BackLinks' in the text of a page, the question mark icon appears after it
> as if the page doesn't exist).

I wasn't real sure about this part either.  I can see benefits to either way,
but I think I agree now that they should be in pages:, if for no other reason
than to keep listPages() as simple as possible.

--Ben