Update bookreader to choose 1up or 2up mode on init based on width
Update bookreader to choose 1up or 2up mode on init based on width

openlibrary/bookreader,openlibrary/bookreader,openlibrary/bookreader,openlibrary/bookreader,openlibrary/bookreader,internetarchive/bookreader,nikolas/bookreader,internetarchive/bookreader,nikolas/bookreader