Adding the "type" property to the JSON

Now we can let the "marker-symbol" property depend upon the location "type".
This is good since storing the location type in the "marker-symbol" property
just so that we're storing that info is silly.  The type merely helps us to
specify what kind of marker symbol appears on the website.
[features] ignoring formatting whitespace in show output tests

This allows us to format the output more nicely without relying upon
formatting in the tests (the content is more important!)
Lining up the output of the show command