Admins can add locations

Let's admins create locations (e.g. Brooklyn, NY) from the dashboard.  Users can then search for locations.  Entries will be associated with locations, and users will be able to see what plants or animals users have seen in particular locations.
Lot of indirection here. I'm not sure what's happening, but It looks like what you want to do is say something like 

```ruby
if one_result?
  redirect_to @location.first
end
```