main inclusion in layout should respect view options+issues

we really need to be able to set the view for _main

[11/19/09 4:10:45 PM] Ethan McCutchen: you're donish for the day, no?

[11/19/09 4:10:52 PM] Lewis Hoffman:  in the layout?

[11/19/09 4:11:16 PM] Ethan McCutchen: they often need {{_main | content}} not to show open view.