Fixing various rendering bugs
I fixed the date contents-rendering problem discovered yesterday, which meant that the content of dates was being rendered, and lo, new problems appeared, especially with date content which is intended to be clickable (as are dates). I've ended up disallowing (by Schematron) editorial notes inside dates, and fixed a couple of instances of this in Stow by splitting the date elements around the supplied/note causing the problem. Did other minor tweaks to the extreme and the normalized views, and fixed some other encoding issues in Stow which are now revealing themselves. I also implemented a background image for items which are in peer review, and began to think about ways to render alpha and beta versions of the static site in ways that make clear that they are not releases.