Goodbye Jekyll, hello BBEdit

Jekyll is just more work than it's worth. Gonna do everything by hand
in BBEdit from now on.
Recasting and correcting the Power News story

Thanks to Phil Austin for filling in some of the blanks.
Fixed footer, panel for right nav

The footer now sticks to the bottom of the window if the content
doesn't fill the window, and the right sub-navigation is contained in a
panel.