Auto populate issue landing pages

[jeremyfelt]

With or without a curated view created via something like #92, old issue landing pages should be automatically generated until manually edited.

[jeremyfelt]

When auto generating past issues, we can't always be automatically sure of imagery that allows for a large first section. We should figure out what this looks like. I tossed a quick 65px of margin, but I'm not sure that's the right answer:

It may make sense to instead add a grey bar similar to secondary page layouts, see:

@slocker3 @wsmagazine - thoughts?

[jeremyfelt]

Here's where we're at with the latest work on #97:

We should figure out:

• Is the grey bar the right answer for automatic issues that have no "feature" item.
• How should articles that have no thumbnails display? This is basically #94
• I don't think we can guess a subtitle for older articles. Is that ok?

[wsmagazine]

I like the gray bar solution for older issues. It fits with the overall look, and we can add feature images for issues on a rolling basis. I wonder if we can auto-generate thumbnails from story images? If not, I think we should have the titles span the whole box, since it seems like something is missing if no thumb. No subtitles are fine with me.

[jeremyfelt]

The handling of auto-generated thumbnails could work, though would be pretty involved. Let's plan on not having thumbnails right now and see what we can do to improve that in the future.

Tasks:

• [x] Default gray bar for automatically generated issues.
• [x] Featured images should work as expected when assigned to an automatically generated issue.
• [x] Story titles should span the entire box when a thumbnail is not available.

[jeremyfelt]

Rather than span the entire box, we decided to pad the story titles to the left to better match what was going on with others.

A current view for an automatic issue with a featured image assigned and with featured images attached to a few articles: