Test (and clean up) every route. Basically.

The routes were a little sloppy here and there. This ensures that all
controllers can be reached at the desired URLs.

Note: This does not necessarily ensure that "publications_path" goes to
"/", though, just that "/" goes to PublicationsController#index.
However, cucumber features and request specs managed to highlight
some problems of the latter type.
Add Coveralls for approximate test coverage stats
Add coverage badge to readme
Merge branch 'master' into subdomains

* master:
  Add coverage badge to readme
  Add Coveralls for approximate test coverage stats