caveat data addition
add a rough-draft landing header for purchase pages
change output of ajax return data from order click
create an endpaper option and switch stuff around to use it

I abandoned the multi-selector bookbody specs in Reusable Journals because it was adding complexity to caveat and pricing routines.

This was an alternative which also covered some necessary changes in Journal and Bookbody.

Now I just have to add a page-count selector in Reusable Journal
add page count to finish specs on Reusable journals