include windows 7 in hinted
validation
Update fronts doc diagram
Update fronts.md
Update fronts.md
filter out books without jacket urls
single manual added
single manual finished
minor fixes
cr fixesstatus
cr fixes
Merge pull request #7379 from guardian/filter-books-without-images

Filter out books without images
Merge pull request #7373 from guardian/windows-7-hinted-on

Serve hinted fonts to Windows 7
Merge pull request #7376 from guardian/facia-tool-docs

Fronts docs diagram
conflicts fixes
Merge pull request #7377 from guardian/single-manual

JSON based manual single creative
requiring new templates
put creatives in dfp
fix test
add creatives bootstrap