Pull in a sample vector layer and render it on the thing.

I also spent a long time trying to do the simple task of showing the names of each country,
but the ol3 docs and examples are lacking in this.
The closest I found is https://github.com/openlayers/ol3/blob/d9437e469d8bec9c908e7e336785fb2c1a36a54b/old/examples/style-rules.js but that looks like it's from the OL2 days, maybe
developers' guides
Merge branch 'master' of https://github.com/majdal/modex