Merge pull request #197 from matsen/master

Fixing path typo.
Merge pull request #198 from matsen/master

We want the documentation to reflect the actual template usage
Add Wordpress sniffing back in. Also, fix a bug with oembeds that supply
HTML. We don't want to use them unless the embed has an iframe in it.
Adding support sketch.
It's doing a thing.
Actually have something reasonable.
Making it more like others.
Better authors field.
Adding month and year.
Handling case when Month isn't given.