PHP complains about EDT setting in BuG.
Add PHPPowerPoint to our repo for use in download books
Issue #85 first cut at download-book

This appears to work but I see problems with the book Declensions. I guess the space in the image filename is
giving the libraray problems. They are always a problem. I wonder if we should just fix that?
Merge branch 'master' of github.com:gbishop/TarHeelReaderTheme